Copper: A heavy metal trace element with the atomic symbol Cu, atomic number 29, and atomic weight 63.55.Metals: Electropositive chemical elements characterized by ductility, malleability, luster, and conductance of heat and electricity. They can replace the hydrogen of an acid and form bases with hydroxyl radicals. (Grant & Hackh's Chemical Dictionary, 5th ed)Copper Sulfate: A sulfate salt of copper. It is a potent emetic and is used as an antidote for poisoning by phosphorus. It also can be used to prevent the growth of algae.Zinc: A metallic element of atomic number 30 and atomic weight 65.38. It is a necessary trace element in the diet, forming an essential part of many enzymes, and playing an important role in protein synthesis and in cell division. Zinc deficiency is associated with ANEMIA, short stature, HYPOGONADISM, impaired WOUND HEALING, and geophagia. It is known by the symbol Zn.CeruloplasminCation Transport Proteins: Membrane proteins whose primary function is to facilitate the transport of positively charged molecules (cations) across a biological membrane.Hepatolenticular Degeneration: A rare autosomal recessive disease characterized by the deposition of copper in the BRAIN; LIVER; CORNEA; and other organs. It is caused by defects in the ATP7B gene encoding copper-transporting ATPase 2 (EC 3.6.3.4), also known as the Wilson disease protein. The overload of copper inevitably leads to progressive liver and neurological dysfunction such as LIVER CIRRHOSIS; TREMOR; ATAXIA and intellectual deterioration. Hepatic dysfunction may precede neurologic dysfunction by several years.Menkes Kinky Hair Syndrome: An inherited disorder of copper metabolism transmitted as an X-linked trait and characterized by the infantile onset of HYPOTHERMIA, feeding difficulties, hypotonia, SEIZURES, bony deformities, pili torti (twisted hair), and severely impaired intellectual development. Defective copper transport across plasma and endoplasmic reticulum membranes results in copper being unavailable for the synthesis of several copper containing enzymes, including PROTEIN-LYSINE 6-OXIDASE; CERULOPLASMIN; and SUPEROXIDE DISMUTASE. Pathologic changes include defects in arterial elastin, neuronal loss, and gliosis. (From Menkes, Textbook of Child Neurology, 5th ed, p125)Iron: A metallic element with atomic symbol Fe, atomic number 26, and atomic weight 55.85. It is an essential constituent of HEMOGLOBINS; CYTOCHROMES; and IRON-BINDING PROTEINS. It plays a role in cellular redox reactions and in the transport of OXYGEN.Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.Chelating Agents: Chemicals that bind to and remove ions from solutions. Many chelating agents function through the formation of COORDINATION COMPLEXES with METALS.Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035)Copper Radioisotopes: Unstable isotopes of copper that decay or disintegrate emitting radiation. Cu atoms with atomic weights 58-62, 64, and 66-68 are radioactive copper isotopes.Metals, Alkali: Metals that constitute group 1(formerly group Ia) of the periodic table. They are the most strongly electropositive of the metals. Note that HYDROGEN is not considered an alkali metal even though it falls under the group 1 heading in the periodic table.Trace Elements: A group of chemical elements that are needed in minute quantities for the proper growth, development, and physiology of an organism. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Spectrophotometry, Atomic: Spectrophotometric techniques by which the absorption or emmision spectra of radiation from atoms are produced and analyzed.Metalloproteins: Proteins that have one or more tightly bound metal ions forming part of their structure. (Dorland, 28th ed)Intrauterine Devices, Copper: Intrauterine contraceptive devices that depend on the release of metallic copper.Metal Metabolism, Inborn ErrorsCations, Divalent: Positively charged atoms, radicals or groups of atoms with a valence of plus 2, which travel to the cathode or negative pole during electrolysis.Metals, Alkaline Earth: Metals that constitute the group 2 (formerly group IIa) of the periodic table.Superoxide Dismutase: An oxidoreductase that catalyzes the reaction between superoxide anions and hydrogen to yield molecular oxygen and hydrogen peroxide. The enzyme protects the cell against dangerous levels of superoxide. EC 1.15.1.1.Azurin: A bacterial protein from Pseudomonas, Bordetella, or Alcaligenes which operates as an electron transfer unit associated with the cytochrome chain. The protein has a molecular weight of approximately 16,000, contains a single copper atom, is intensively blue, and has a fluorescence emission band centered at 308nm.Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals.PhenanthrolinesCoordination Complexes: Neutral or negatively charged ligands bonded to metal cations or neutral atoms. The number of ligand atoms to which the metal center is directly bonded is the metal cation's coordination number, and this number is always greater than the regular valence or oxidation number of the metal. A coordination complex can be negative, neutral, or positively charged.Oxidation-Reduction: A chemical reaction in which an electron is transferred from one molecule to another. The electron-donating molecule is the reducing agent or reductant; the electron-accepting molecule is the oxidizing agent or oxidant. Reducing and oxidizing agents function as conjugate reductant-oxidant pairs or redox pairs (Lehninger, Principles of Biochemistry, 1982, p471).Chromium: A trace element that plays a role in glucose metabolism. It has the atomic symbol Cr, atomic number 24, and atomic weight 52. According to the Fourth Annual Report on Carcinogens (NTP85-002,1985), chromium and some of its compounds have been listed as known carcinogens.Binding Sites: The parts of a macromolecule that directly participate in its specific combination with another molecule.Molecular Sequence Data: Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.Adenosine Triphosphatases: A group of enzymes which catalyze the hydrolysis of ATP. The hydrolysis reaction is usually coupled with another function such as transporting Ca(2+) across a membrane. These enzymes may be dependent on Ca(2+), Mg(2+), anions, H+, or DNA.Electron Spin Resonance Spectroscopy: A technique applicable to the wide variety of substances which exhibit paramagnetism because of the magnetic moments of unpaired electrons. The spectra are useful for detection and identification, for determination of electron structure, for study of interactions between molecules, and for measurement of nuclear spins and moments. (From McGraw-Hill Encyclopedia of Science and Technology, 7th edition) Electron nuclear double resonance (ENDOR) spectroscopy is a variant of the technique which can give enhanced resolution. Electron spin resonance analysis can now be used in vivo, including imaging applications such as MAGNETIC RESONANCE IMAGING.Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.19, symbol Pb. (Dorland, 28th)Ions: An atom or group of atoms that have a positive or negative electric charge due to a gain (negative charge) or loss (positive charge) of one or more electrons. Atoms with a positive charge are known as CATIONS; those with a negative charge are ANIONS.Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.Organometallic Compounds: A class of compounds of the type R-M, where a C atom is joined directly to any other element except H, C, N, O, F, Cl, Br, I, or At. (Grant & Hackh's Chemical Dictionary, 5th ed)Soil Pollutants: Substances which pollute the soil. Use for soil pollutants in general or for which there is no specific heading.Kinetics: The rate dynamics in chemical or physical systems.Models, Molecular: Models used experimentally or theoretically to study molecular shape, electronic properties, or interactions; includes analogous molecules, computer-generated graphics, and mechanical structures.Amino Acid Sequence: The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION.Laccase: A copper-containing oxidoreductase enzyme that catalyzes the oxidation of 4-benzenediol to 4-benzosemiquinone. It also has activity towards a variety of O-quinols and P-quinols. It primarily found in FUNGI and is involved in LIGNIN degradation, pigment biosynthesis and detoxification of lignin-derived products.Molybdenum: A metallic element with the atomic symbol Mo, atomic number 42, and atomic weight 95.94. It is an essential trace element, being a component of the enzymes xanthine oxidase, aldehyde oxidase, and nitrate reductase. (From Dorland, 27th ed)Trientine: An ethylenediamine derivative used as stabilizer for EPOXY RESINS, as ampholyte for ISOELECTRIC FOCUSING and as chelating agent for copper in HEPATOLENTICULAR DEGENERATION.Alloys: A mixture of metallic elements or compounds with other metallic or metalloid elements in varying proportions.Plastocyanin: A copper-containing plant protein that is a fundamental link in the electron transport chain of green plants during the photosynthetic conversion of light energy by photophosphorylation into the potential energy of chemical bonds.Water Pollutants, Chemical: Chemical compounds which pollute the water of rivers, streams, lakes, the sea, reservoirs, or other bodies of water.Catalysis: The facilitation of a chemical reaction by material (catalyst) that is not consumed by the reaction.Deficiency Diseases: A condition produced by dietary or metabolic deficiency. The term includes all diseases caused by an insufficient supply of essential nutrients, i.e., protein (or amino acids), vitamins, and minerals. It also includes an inadequacy of calories. (From Dorland, 27th ed; Stedman, 25th ed)Electron Transport Complex IV: A multisubunit enzyme complex containing CYTOCHROME A GROUP; CYTOCHROME A3; two copper atoms; and 13 different protein subunits. It is the terminal oxidase complex of the RESPIRATORY CHAIN and collects electrons that are transferred from the reduced CYTOCHROME C GROUP and donates them to molecular OXYGEN, which is then reduced to water. The redox reaction is simultaneously coupled to the transport of PROTONS across the inner mitochondrial membrane.Hydrogen-Ion Concentration: The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH = log 1/2[1/(H+)], where (H+) is the hydrogen ion concentration in gram equivalents per liter of solution. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Histidine: An essential amino acid that is required for the production of HISTAMINE.Magnesium: A metallic element that has the atomic symbol Mg, atomic number 12, and atomic weight 24.31. It is important for the activity of many enzymes, especially those involved in OXIDATIVE PHOSPHORYLATION.Liver: A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances.Amine Oxidase (Copper-Containing): A group of enzymes including those oxidizing primary monoamines, diamines, and histamine. They are copper proteins, and, as their action depends on a carbonyl group, they are sensitive to inhibition by semicarbazide.Spectrometry, X-Ray Emission: The spectrometric analysis of fluorescent X-RAYS, i.e. X-rays emitted after bombarding matter with high energy particles such as PROTONS; ELECTRONS; or higher energy X-rays. Identification of ELEMENTS by this technique is based on the specific type of X-rays that are emitted which are characteristic of the specific elements in the material being analyzed. The characteristic X-rays are distinguished and/or quantified by either wavelength dispersive or energy dispersive methods.Homeostasis: The processes whereby the internal environment of an organism tends to remain balanced and stable.Protein Binding: The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments.Molecular Chaperones: A family of cellular proteins that mediate the correct assembly or disassembly of polypeptides and their associated ligands. Although they take part in the assembly process, molecular chaperones are not components of the final structures.Cations: Positively charged atoms, radicals or groups of atoms which travel to the cathode or negative pole during electrolysis.Metallurgy: The science, art, or technology dealing with processes involved in the separation of metals from their ores, the technique of making or compounding the alloys, the techniques of working or heat-treating metals, and the mining of metals. It includes industrial metallurgy as well as metallurgical techniques employed in the preparation and working of metals used in dentistry, with special reference to orthodontic and prosthodontic appliances. (From Jablonski, Dictionary of Dentistry, 1992, p494)Metals, Rare Earth: A group of elements that include SCANDIUM; YTTRIUM; and the LANTHANOID SERIES ELEMENTS. Historically, the rare earth metals got their name from the fact that they were never found in their pure elemental form, but as an oxide. In addition they were very difficult to purify. They are not truly rare and comprise about 25% of the metals in the earth's crust.Metals, Heavy: Metals with high specific gravity, typically larger than 5. They have complex spectra, form colored salts and double salts, have a low electrode potential, are mainly amphoteric, yield weak bases and weak acids, and are oxidizing or reducing agents (From Grant & Hackh's Chemical Dictionary, 5th ed)Oxidoreductases: The class of all enzymes catalyzing oxidoreduction reactions. The substrate that is oxidized is regarded as a hydrogen donor. The systematic name is based on donor:acceptor oxidoreductase. The recommended name will be dehydrogenase, wherever this is possible; as an alternative, reductase can be used. Oxidase is only used in cases where O2 is the acceptor. (Enzyme Nomenclature, 1992, p9)Bacterial Proteins: Proteins found in any species of bacterium.Ascorbate Oxidase: An enzyme that converts ascorbic acid to dehydroascorbic acid. EC 1.10.3.3.Metal Ceramic Alloys: The fusion of ceramics (porcelain) to an alloy of two or more metals for use in restorative and prosthodontic dentistry. Examples of metal alloys employed include cobalt-chromium, gold-palladium, gold-platinum-palladium, and nickel-based alloys.Biological Transport: The movement of materials (including biochemical substances and drugs) through a biological system at the cellular level. The transport can be across cell membranes and epithelial layers. It also can occur within intracellular compartments and extracellular compartments.Spectrum Analysis: The measurement of the amplitude of the components of a complex waveform throughout the frequency range of the waveform. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Spectrophotometry: The art or process of comparing photometrically the relative intensities of the light in different parts of the spectrum.Thiosemicarbazones
  • even if it does turn out to be an alkali metal, it is predicted to have some differences in physical and chemical properties from its lighter homologues. (wikipedia.org)
  • MELBOURNE, Nov 5 (Reuters) - London copper took a breather on Monday after hitting a two-week peak in the previous session following comments by the U.S. president that the United States may be approaching a trade deal with China. (reuters.com)
  • 1230 GMT (Updates prices, adds quotes, details) By Carrie Ho SHANGHAI, April 19 (Reuters) - London copper futures eased on Thursday in cautious trade ahead of a key bond auction in Spain as growing worries of the resurgence of the euro zone debt crisis dimmed the outlook for global raw material demand. (reuters.com)
  • LONDON, March 6 (Reuters) - Copper prices fell to a more than one-week low on Monday on concerns the metal had extended too much but supply disruptions at the world's two biggest copper mines provided some support. (reuters.com)
  • SINGAPORE, Nov 8 (Reuters) - Copper and aluminum prices were mixed on Thursday, along with other base metals, after results of the U.S. midterm elections came in as expected and ahead of the Federal Reserve's policy statement. (cnbc.com)
  • SINGAPORE, April 29 (Reuters) - London copper drifted on Monday, after rising half a percent to log its biggest weekly gain since early February last week, as slower-than-expected U.S growth hurt the demand outlook, while hopes for further central bank easing lent support. (chicagotribune.com)
  • MANILA, Oct 24 (Reuters) - Copper prices were mostly steady on Wednesday amid concerns over slower demand in top consumer China for the rest of the year as Beijing's plans to reinvigorate the world's second-largest economy may only kick in by 2019. (reuters.com)
  • LONDON, Sept 29 (Reuters) - Copper eased on Tuesday as inventories in London Metal Exchange registered warehouses jumped and the dollar's recent gains weighed on prices as the market waited for key manufacturing data from top consumer China. (reuters.com)
  • LONDON, June 11 (Reuters) - Copper prices touched their highest in two weeks on Tuesday, lifted by hopes that top consumer China will pump money into building metals-intensive infrastructure. (reuters.com)
  • LONDON, Sept 18 (Reuters) - Copper prices fell on Wednesday as concern about demand and economic growth dominated sentiment, though rising hopes for a solution to a prolonged trade dispute between China and the United States limited losses. (reuters.com)
  • Adds comment on aluminium, updates prices) By Eric Onstad LONDON, Sept 13 (Reuters) - Copper hit the highest in 1-1/2 months on Friday as investors hoped an easing of trade tensions between the United States and China might eventually boost metals demand. (kitco.com)
  • bit.ly/2wZSAEz (Updates with closing prices) By Jan Harvey LONDON, Oct 25 (Reuters) - Copper steadied on Wednesday after two days of gains as stock markets slid after a series of record highs, pointing to a more cautious mood among investors. (reuters.com)
  • Updates with official prices) By Peter Hobson LONDON, June 29 (Reuters) - Supply disruption in top producer Chile, solid demand in top consumer China and dwindling stockpiles kept copper prices near five-month highs on Monday. (kitco.com)
  • TECHNICALS: LME copper may test Fibonacci and downtrend resistance around $6,075 per tonne, and a break above this could open the way towards $6,343, Reuters technical analyst Wang Tao said. (kitco.com)
  • LONDON, March 6 (Reuters) - Copper headed for a weekly loss on Friday as the dollar rallied ahead of the monthly U.S. jobs report and signs of lacklustre demand in top consumer China. (reuters.com)
  • MELBOURNE, Aug 25 (Reuters) - London copper hung near a two-month low on Thursday on evidence of mounting supply, while nickel also weakened after lower shipments to China. (reuters.com)
  • SYDNEY, Aug 25 (Reuters) - Copper was trading close to its highest in nearly three years on Friday, tracking a firmer London session on the back of robust demand signs in China and falling stockpiles. (reuters.com)
  • LONDON, Jan 31 (Reuters) - Copper rose 1 percent on Wednesday as the dollar slid towards its biggest monthly loss against the euro in two years while markets awaited the release of a U.S. Federal Reserve policy statement. (reuters.com)
  • COPPER INVESTORS: Hedge funds and money managers raised their net short positions in Comex copper contracts in the week to Oct. 30, the U.S. Commodity Futures Trading Commission said on Friday. (reuters.com)
  • Copper for December delivery closed up less than 0.1% at $3.2570 a pound on the Comex division of the New York Mercantile Exchange. (wsj.com)
  • Speculators cut their bullish position in Comex copper futures and options by 7,851 lots to 70,660 lots, U.S. Commodity Futures Trading Commission data showed on Friday. (reuters.com)
  • In the 15 minutes ended 9:15 p.m. in Shanghai, 22,426 copper contracts were traded, triggering spikes in volume that helped reverse the red metal's losses on the London Metal Exchange and Comex in New York. (bloomberg.com)
  • Copper futures for March delivery rose 0.6 percent to settle at $3.2385 a pound at 12:13 p.m. on the Comex, after touching $3.243, the highest since Oct. 17. (bloomberg.com)
  • Futures for delivery of the metal in July dipped $0.0085 (0.27 percent) to $3.1690 per pound as of 20:17 GMT on COMEX today. (earnforex.com)
  • Copper prices haven't moved much as everyone takes on a wait-and-see attitude ahead of the Spanish bond auction," said Great Wall Futures analyst Li Rong. (reuters.com)
  • SAN FRANCISCO (MarketWatch) -- July copper climbed 9.4 cents, or 2.6%, to trade at $3.69 per pound after reaching a record futures level of $3.704 earlier. (marketwatch.com)
  • NEW YORK (CBS.MW) -- Aluminum giant Alcoa and other top metals stocks were dragged lower Wednesday after the sector absorbed a number of brokerage downgrades, selling by funds and heavy declines in copper and gold futures prices. (marketwatch.com)
  • Copper futures fell as much as 12 percent Wednesday after surpassing 15-year highs last week, and gold prices dropped for a third session to their lowest level in more than two weeks. (marketwatch.com)
  • Speculators also trimmed net long position in silver, while they decreased their net shorts in copper futures and options, the CFTC's Commitments of Traders report showed. (chicagotribune.com)
  • CHINA: A private coal mining industry investor in Shanxi province is said to be the main actor behind a dramatic increase in bullish bets in Chinese copper futures. (reuters.com)
  • Gold prices dropped while futures for copper rallied. (earnforex.com)
  • Meanwhile, March futures for copper advanced 0.65 percent to $2.4785 per pound. (earnforex.com)
  • Cotton and rubber futures fell fairly hard, wheat gained, and copper traded somewhat lower prior to the release of US GDP data this morning. (coinnews.net)
  • Stockpiles gains this year and LME spot prices trading below futures suggest that buyers aren't rushing to secure copper as factories ramp up. (mining.com)
  • However, with speculators cutting their net long positions in copper futures and options, copper may have further to retrace after falling 1.8 percent so far this month following December's rally to a near-four-year high, analysts said. (reuters.com)
  • The International Copper Study Group said Tuesday that China's consumption of copper fell more than 20 percent in July from a year earlier, according to Ben Johnson, president of First Securities Northwest in Portland, Ore. (marketwatch.com)
  • Recent reports that China's largest producer, Jiangxi Copper Co. 358 1.51% , has been ordered to halt output for a week to curb pollution have fueled recent gains, analysts said. (wsj.com)
  • CHINA COPPER: China's imports of copper ores and concentrates fell 18.7 percent from last month to 1.57 million tonnes in October, but were up 14.5 percent from the same time last year. (cnbc.com)
  • Copper is used mostly in the power and construction sectors, and Wu added there "hasn't been a lot of orders from China's State Grid" and Beijing's latest round of anti-smog production cuts for this weinter would also limit construction activity in the current quarter. (reuters.com)
  • DATA: Surveys of purchasing managers in China's manufacturing sector, particularly the new and export order components, due on Wednesday, will be scrutinised for clues on demand growth for industrial metals. (reuters.com)
  • JANUARY PERFORMANCE: LME tin has surged nearly 9 percent in the month to date, while metals affected by China's winter pollution crackdown also rallied. (reuters.com)
  • Steels contain varying amounts of carbon and metals such as tungsten, molybdenum, vanadium, and cobalt, giving them the strength, durability, and anti-corrosion capabilities required by their different uses. (jrank.org)
  • LME lead was last bid down 0.7 percent to $1,807, eroding gains of around 2.5 percent on Thursday, though the metal still looked set to notch its biggest weekly gain since Jan 2014 at almost 4 percent. (reuters.com)
  • CHILE: Chile's copper output could decline 200,000 tonnes, or 3.5% of 2019 production, as coronavirus cases rise, its mines minister said. (kitco.com)
  • As long as stockpiles remain high in China, copper consumers will continue to stay away even if prices slip. (reuters.com)
  • Alcoa AA, +1.40% , which last week disappointed investors with a tepid gain in third-quarter net income despite strong metals prices, lost $1, or around 3 percent, to finish at $32.19. (marketwatch.com)
  • Copper prices rose for the 15th consecutive session Wednesday, marking the industrial metal's longest winning streak ever, according to FactSet data dating back to 1984. (wsj.com)
  • Global demand remains healthy but production is responding positively to higher prices in all metals, keeping pace with demand and maintaining well-supplied markets," Kaneva said. (reuters.com)
  • Prices of the metal used widely in power and construction are down nearly 5% since hitting a 27-month high at $6,877.50 earlier this month. (reuters.com)
  • Damage to copper prices from the trade has been priced in, so any sort of rapprochement would be bullish. (reuters.com)
  • News that China will allow local governments to use proceeds from special bonds as capital for investment projects came after the United States and Mexico reached a deal on Friday to avert U.S. tariffs on Mexican goods, supporting prices of copper and other metals. (reuters.com)
  • Fears that trade disputes will damage economic growth and metals demand had helped to push down copper prices by 15% from an April high to a five-month low of $5,740 on Friday. (reuters.com)
  • Prices of the metal used widely in power and construction hit a 1-1/2-month high of $5,980 last week. (reuters.com)
  • CHINA: Weaker manufacturing activity in China has hit prices of industrial metals. (reuters.com)
  • We also think the global economy is going to continue to slow over the rest of the year, so we see very little upside for metals prices from here. (kitco.com)
  • Gold prices have backed down from the $1,300 level, while silver and copper hit weekly lows. (nbcnews.com)
  • Due to market fluctuations of metal costs we do not list prices for our materials. (espimetals.com)
  • Australia's South32 Ltd, the world's biggest producer of manganese, reported a 76-percent drop in annual underlying profit, hit by weak metals prices, it said on Thursday. (reuters.com)
  • Consensus case" LT gold and copper prices of US$1,250/oz and US$3.00/lb respectively. (presseportal.de)
  • BMI View: We expect copper prices to experience a mild rebound over the second half of ----, respecting the lows of the first half of the year, supported by production cuts. (alacrastore.com)
  • While the Chinese government s crack-down on speculative trading broke copper prices out of a four month ascent in the first half of ----, we expect the metal to experience a steady recovery over the second half of the year, supported by improving fundamentals. (alacrastore.com)
  • After a robust rally, metals prices are starting to pull back. (mining.com)
  • It has wide ranging uses in a number of applications as prices have skyrocketed for this metal since 2017. (belmontmetals.com)
  • INVENTORIES: Copper stocks in LME warehouses at 136,325 tonnes MCUSTX-TOTAL are up more than 40% since falling to 76,325 last week, the lowest since December 2005 and cancelled warrants -- metal earmarked for delivery -- have fallen to 30% from near 60% last week. (reuters.com)
  • INDONESIA COPPER: Indonesia's energy ministry has approved a new recommendation for a unit of Freeport McMoran Inc to raise copper concentrate exports to 700,000 tonnes until March 2020. (kitco.com)
  • STOCKS: On-warrant copper inventories in LME-registered warehouses fell by 2,450 tonnes to 112,850 tonnes, the lowest since Jan 17. (kitco.com)
  • The yellow metal did receive one bit of possibly supportive news, in that the IMF announced that its disposal of 403.3 tonnes of bullion has now been completed. (coinnews.net)
  • Daily LME data showed copper inventories rose by 4,675 tonnes to 323,050 tonnes, their highest level since January 2014. (reuters.com)
  • LME copper stocks have jumped by 14,625 tonnes, the latest data showed, bringing total stocks above 250,000 tonnes for the first time since November 2015. (reuters.com)
  • The prolonged trade war between the world's two biggest economies has weighed on global growth and the demand outlook for most industrial metals. (kitco.com)
  • Metals and metalloids were measured by inductively coupled plasma mass spectrometry. (nih.gov)
  • Copper, often seen as a barometer of the global economy, has risen 29 percent in 2017, heading for its biggest annual gain since 2010 and among the best-performing commodities. (bloomberg.com)
  • Metals 2017 , 7 , 302. (mdpi.com)
  • Copper has traded in a $5,950-$6,400 range since late September as worries of an escalating trade war have overshadowed signs of a burgeoning shortage of the metal. (reuters.com)
  • Phoenix-based Phelps Dodge PD, -1.44% , the world's No. 2 copper producer, finished down $8.64, or around 8 percent, at $83.10, one day after Prudential Equity cut its earnings estimates for the company on worries that an $850 million plan to expand a Peruvian mine will strain profits. (marketwatch.com)
  • METALS-Copper slips on worries Fed will turn off. (chicagotribune.com)
  • At Atlantic Equipment Engineers, we pride ourselves on being experts when it comes to the high purity metals powders that make these instruments of protection and recreation possible. (micronmetals.com)
  • To learn more about AEE's high purity metal powders or any of our other amazing products, please visit our Micron Metals or contact one of our metal powder experts today! (micronmetals.com)
  • Investors who are bullish on the metals & mining industry could consider SPDR S&P Metals & Mining ETF ( XME ) while those bearish on the metals & mining industry could consider PowerShares DB Base Metals Sht ETN ( BOS ). (thestreet.com)
  • 9. A material as defined in claim 1, wherein said tin alloy coating on said copper base metal has a thickness of about 0.0001 to about 0.1 inch. (google.com)
  • 13. The material as defined in claim 1, wherein said heat created intermetallic layer is at least partially formed from a process of coating said tin alloy on the surface of said copper base metal by a process selected from the group consisting of electroplating and subsequent flow heating, hot dip coating, metal spraying and combinations thereof. (google.com)
  • We've had a significant rally across base metals, and it's hard to justify a further move higher at these levels," Warren Patterson, a commodities strategist at ING Groep NV, said by phone from Amsterdam. (mining.com)
  • A general method of synthesis is to treat a metal salt with acetylacetone, acacH: Mz+ + z Hacac ⇌ M(acac)z + z H+ Addition of base assists the removal of a proton from acetylacetone and shifts the equilibrium in favour of the complex. (wikipedia.org)
  • Derivation: With sulfide ores the steps may be (1) concentration (of low grade ores) by flotation and leaching, (2) roasting, (3) formation of copper "matte" (40-50% Cu), (4) reduction of matte to "blister" copper (96-98%), (5) electrolytic refining to 99.9+% copper. (espimetals.com)
  • It can be recycled waste cable and wire through cutting, peeling, crushing, screening and other processes, automatic separation of 99.9% pure copper, production line equipment is completed. (aqmforever.de)
  • Through a unique process of electrolytically refining the copper to remove the oxygen content, oxygen-free C101 Copper is valued for its chemical purity. (onlinemetals.com)
  • Freeport-McMoRan Copper & Gold ( FCX ) pushed the Metals & Mining industry higher today making it today's featured metals & mining winner. (thestreet.com)
  • On the negative front, Kimber Resources ( KBX ), down 13.8%, Arch Coal ( ACI ), down 12.8%, Prospect Global Resources ( PGRX ), down 11.2%, and Timberline Resources Corporation ( TLR ), down 8.1%, were all laggards within the metals & mining industry with Walter Energy ( WLT ) being today's metals & mining industry laggard. (thestreet.com)
  • Commenting on today's announcement, Chris Richter, President and CEO of AuRico Metals stated, "We are very pleased with the positive results from our Kemess Underground Feasibility Study update which confirm the potential for a large, low-cost gold-copper mine with robust economics. (presseportal.de)
  • Meanwhile, don't look now, but there is a warm-colored metal that has gained 28% since the start of 2010 and it is…warming the hearts of investors. (coinnews.net)
  • A strong dollar makes dollar-priced metals costly for non-U.S. investors. (reuters.com)
  • Metals have been on a tear since May as enthusiasm over growth in China and demand from electric vehicles brought in new investors. (mining.com)
  • TECHNICALS: Upside resistance for copper comes in at the 21-day moving average currently sitting at $6,645. (reuters.com)
  • Copper has risen about 15 percent since Trump was elected U.S. President in November after he pledged to increase spending on infrastructure which would benefit commodities. (reuters.com)
  • A qualified international team, that is always up to date on the metal markets, is available to meet all the requests of our partners and metal suppliers. (kme.com)
  • HEALTH: "China remains an important determinant of how healthy the copper market is. (reuters.com)
  • CHINA PREMIUMS: Chinese Yangshan copper import premiums SMM-CUYP-CN have risen to $59 from two-year lows of $47 last month. (reuters.com)
  • However, supply and demand fundamentals suggest a fair price for copper around $5,500, with lower Chilean output offset by weak demand outside China, said independent analyst Robin Bhar. (kitco.com)
  • Speculations that China will stimulate its slowing economic growth were also helping the metal. (earnforex.com)
  • Globally, refined copper demand will decelerate slightly, largely due to slowing construction growth in China and subdued global economic growth. (alacrastore.com)
  • growth, due to stronger-than-expected Q--- data, we caution that China s increased usage of metals as collateral to finance deals has inflated Q--- numbers. (alacrastore.com)
  • China magnetic metal separator wholesale. (aqmforever.de)
  • Colour is due to the fact that the metal salt is vapourised by the flame and excited to emit radiations that are characteristic for that metal. (sciencephoto.com)
  • The control of arsenic, a toxic and carcinogenic element, is an important issue for all copper smelters. (mdpi.com)
  • In this work, the reaction mechanism and distribution behavior of arsenic in the bottom blown copper smelting process (SKS process) were investigated and compared to the flash smelting process. (mdpi.com)
  • In the SKS smelting process, no dust is recycled, and almost all dust is collected and further treated to eliminate arsenic and recover valuable metals by other process streams. (mdpi.com)
  • More than 100 million people of Bangladesh and West Bengal in India are affected by drinking ground water contaminated with arsenic and some parts of India is also affected by poisoning effect of copper, cadmium and fluoride. (hindawi.com)
  • Different methods have been evolved to reduce the arsenic concentration in drinking water to a maximum permissible level of 10 μg/L where as various methods are also available to separate copper from drinking water. (hindawi.com)
  • With respect to the two-layered CCL having a copper layer provided on a polyimide film by sputtering and plating, there is provided a two-layered CCL material exhibiting a reduced warpage of the laminate and provides a method for manufacturing the same. (freepatentsonline.com)
  • Exact Metals will assume responsibility for shipping the material back to us. (troutunderground.com)
  • For the reduction of optical loss and contact material cost in silicon heterojunction (SHJ) solar cells, copper plating has been considered as a suitable metallization technique. (springer.com)
  • This metal is also considered a very soft material, as its malleability allows it to be worked into wires and cables. (belmontmetals.com)
  • Insert fittings shall be joined to PEX tubing by the compression of a copper crimp ring around the outer circumference of the tubing, forcing the tubing material into annular spaces formed by ribs on the fitting. (astm.org)
  • Contract for delivery of copper in three months ticked up 0.1 percent to $6,940.75 per metric ton on LME today and touched $6,970 intraday, the highest price since March 7. (earnforex.com)
  • Spot price tickers showing live changes on the new Kitco iPad 'Gold Live' app showed…almost no change or sign of life in the yellow metal for most of the day yesterday. (coinnews.net)
  • Yes, a wonder metal that appears to have no limit in upside price potential, that is, if we are to listen to…assorted investment firm spokesmen. (coinnews.net)
  • Find out today why AMM, the original metals price reporting agency, is trusted by thousands of metals industry professionals. (amm.com)
  • Analyst Mark Keenan of Societe Generale said downside risk prevails in the medium term given a significant fall in the cost of production that could lower the floor price for copper. (reuters.com)
  • We are the Seller of Copper Scrap with Market Breaking Price. (scrapmonster.com)
  • Globally, refined copper production will continue to decelerate in ---- as refiners rein in output in a weak price environment. (alacrastore.com)
  • HSBC Holdings Plc has raised its copper price forecast, responding to a recent slump in the dollar and rebounding factory-output growth that's lending support across commodity markets in recent weeks. (mining.com)
  • Purchasing this metal at an acceptable price and answering consumer demand can influence a manufacturer's operations now and in the future. (belmontmetals.com)
  • Gravity Separator Machine Copper Ore Shaking Table With Cheap Price , Find Complete Details about Gravity Separator Machine Copper Ore Shaking Table With Cheap Price,Shaking Table,Copper Ore Shaking Table,Shaking Table Price from Supplier or Manufacturer-Jiangxi Victor International Mining Equipment Co., Ltd. (aqmforever.de)
  • New Orleans copper and gold company Freeport McMoRan FCX, +7.09% lost $3.43, or 8.5 percent, to end at $36.40 after Prudential Equity Group cut its rating on Freeport to "neutral" from "overweight. (marketwatch.com)
  • By the end of trading, Freeport-McMoRan Copper & Gold rose $1.37 (4.7%) to $30.80 on heavy volume. (thestreet.com)
  • Throughout the day, 27,803,763 shares of Freeport-McMoRan Copper & Gold exchanged hands as compared to its average daily volume of 16,840,100 shares. (thestreet.com)
  • Freeport-McMoRan Copper & Gold Inc. engages in the exploration of mineral resource properties. (thestreet.com)
  • Freeport-McMoRan Copper & Gold has a market cap of $27.7 billion and is part of the basic materials sector. (thestreet.com)
  • Currently there are 12 analysts that rate Freeport-McMoRan Copper & Gold a buy, no analysts rate it a sell, and 4 rate it a hold. (thestreet.com)
  • TheStreet Ratings rates Freeport-McMoRan Copper & Gold as a hold . (thestreet.com)
  • Freeport-McMoRan Copper & Gold was a winner within the metals & mining industry, rising 36 cents (1%) to $35.70 on light volume. (thestreet.com)
  • By the end of trading, Freeport-McMoRan Copper & Gold rose 36 cents (1%) to $35.70 on light volume. (thestreet.com)
  • At any rate, the majority of tracked assets this morning showed mini-moves of from 0.20% (the dollar, copper, gold to less than 0.5% (crude) as the preoccupation with book clean-up and the office cookie-tray took precedence over fresh position commitments to various assets among players. (coinnews.net)
  • Mercury-gilding is one of the most complex techniques used in the past millennia to apply a thin layer of gold or silver onto the surface of a metal substrate. (frontiersin.org)
  • This paste is produced by simple grinding gold dust with mercury and it requires a clean and oxide-free metal substrate. (frontiersin.org)
  • Minerals exploration company Red Metal Resources Ltd. (RMES) , which focuses on acquiring, exploring and developing copper-gold properties in Chile, reported phenomenal sample assay results from its Mateo project that further validates the company's expectations of the property's amazing potential. (equities.com)
  • The company is entering an exciting stage in its development as it is finding some 'fantastic' drill targets in Chile, which in addition to ranking as a world-class prolific copper-gold producing country and being well-known for its monster deposits, is recognized for being among the few mining hubs boasting a stable political environment. (equities.com)
  • We're getting up to a gram of copper and a half a gram of gold . (equities.com)
  • We consistently found strong gold and copper numbers through the entire property in every mineralized zone we found. (equities.com)
  • Of the 138 samples we collected on the property, 36 samples returned gold grades greater than 1.0g/t and 76 returned copper grades of greater than 0.6 percent. (equities.com)
  • Q: The Mateo property has a very rich history for copper and gold. (equities.com)
  • When compared with other major mining belts in the world such as Ontario, Canada's Archean greenstone belts, the Chilean Coastal Cordillera, and specifically the Candelaria IOCG (Iron Oxide Copper Gold) belt is incredibly under-explored. (equities.com)
  • The newly set up company, Tekvalia AG, is based in Zug, Switzerland and focuses on distribution of copper products and providing support and supply chain solutions for the copper industry. (kme.com)
  • K & S Precision Metals has been in the business for over 65 years manufacturing the highest quality metal products. (alwayshobbies.com)
  • We primarily focus on metal and agro products. (scrapmonster.com)
  • From copper pipes, electrical wires, mechanical components and other applications, manufacturers are creating the products for companies to run their operations and for the public to improve their daily lives. (belmontmetals.com)
  • The sector also was hit with a BHP Billiton BHP, +0.49% warning that copper supply worldwide could exceed demand in the second half of 2005 as more production comes on line, according to Agence France-Presse. (marketwatch.com)
  • Charles Bradford said there was heavy selling by funds of copper stocks due to uncertainty over how long the Chinese construction boom can generate strong demand for the metal. (marketwatch.com)
  • DOLLAR: A higher U.S. currency makes dollar-denominated metals more expensive for consumers using other currencies, which could subdue demand. (reuters.com)
  • Copper rose in London today on hopes that accelerating economic growth in the United States will spur demand. (earnforex.com)
  • When it comes to both ballistics and pyrotechnics, manufacturers demand metal powders that meet or exceed exacting specification. (micronmetals.com)
  • India will be the global copper demand bright spot, supported by strong economic growth and the government s Make In India campaign which is succeeding in bolstering manufacturing sector growth. (alacrastore.com)
  • Just when you thought things are beginning to quiet down in the metals market on the last trading day before Christmas, mysterious copper trades emerged in Shanghai, sending ripples through London and New York. (bloomberg.com)
  • The deformations can cause the metal to fail to keep its desired shape and impact its structure, especially during pipe bending processes. (belmontmetals.com)
  • We had some very good economic data, equity markets at record highs, (and) bond yields moving higher on the back of Trump's proposed tax cuts, so the funds jumped in and used copper to express a positive macro view," Societe Generale analyst Robin Bhar said. (reuters.com)
  • We have prepared a series of low-cost polymeric resins, which are very efficient in removing copper ion from drinking water and after coordinating with copper ion they act as polymeric ligand exchanger, which are efficiently removing arsenate from drinking water. (hindawi.com)
  • Pewter, an alloy of tin and small amounts of hardening agents such as copper, has graced French bistro and brasserie tabletops and bars for centuries. (hgtv.com)
  • Pewter is an alloy of copper, tin, and antimony. (jrank.org)