Oxygen copper. Medical search. Frequent questions

This is a 99.99% pure copper with 0.0005% oxygen content. (wikipedia.org)
This is the purest form of copper available in the market, containing up to a minimum of 99.99% purity. (teckleongmetals.com)
Copper C10100 (99.99%) and C10200 (99.95%)copper are produced by melting and pouring copper in the presence of carbon or carbonaceous gases so the oxygen can be absorbed. (annaryacat.de)
Oxygen-free copper is available in the following three grades: C10100 (OFE): 99.99% pure copper with 0.0005% oxygen content. (annaryacat.de)
3. Oxygen-free high conductivity (OFHC) copper is very pure with better than 99.99% copper and less than 0.001% oxygen. (annaryacat.de)
C101 Oxygen Free Copper is the highest-quality copper obtainable, with a specific oxygen concentration of less than 0.0005% and a normal copper grade of 99.99 percent. (thepipingmart.com)
The raw material that is used to manufacture SIMCO copper products are LME grade 'A' cathodes of purity greater than 99.99% copper resulting in higher conductivity, crack free extrusion, excellent finish and longer life. (janscopper.net)

Oxygen-free copper (OFC) or oxygen-free high thermal conductivity (OFHC) copper is a group of wrought high-conductivity copper alloys that have been electrolytically refined to reduce the level of oxygen to 0.001% or below. (wikipedia.org)
Specifications Cu25W75Applications Copper Tungsten alloys are used where the combination o. (teckleongmetals.com)
Characteristics of oxygen-free copper alloys are high electrical and thermal, high ductility, ease of welding, high impact strength, and low volatility under high vacuum. (annaryacat.de)
2023317 · Oxygen free copper, also known as oxygen free high conductivity copper, is a group of wrought copper alloys that are refined through electrolytic process. (annaryacat.de)
These copper alloys are often used in industrial electronics applications because of their high conductivity, chemical purity, and high ductility. (industrialmetalservice.com)
Two of the most widely used oxygen-free copper alloys are oxygen-free (OF) and oxygen-free electronic (OFE). (industrialmetalservice.com)
Cheaper speaker cables have other alloys mixed with the copper in the conductors. (sewelldirect.com)
The production lines for casting non-ferrous metals supplied by our company is complete in categories, specifications and types, mainly capable of casting metals including copper and copper alloys, also related to non-ferrous metals such as magnesium, aluminum and zinc etc. (continuouscasting-machine.com)
This specification covers welded tube of specific copper and various copper alloys of a limited range of diameters, for use in surface condensers, evaporators, heat exchangers, and general engineering applications. (astm.org)
Mercurous nitrate or ammonia vapor tests shall be required only for selected UNS Numbers of Copper Alloys. (astm.org)
1.1 This specification covers welded tube of copper and various copper alloys up to 3 1 / 8 in. (astm.org)

Constructed using oxygen-free copper conductors and 95% shielding, the Classic Pro virtually eliminates interference and signal loss for transparent sound. (guitarcenter.com)
At the heart of the Classic Pro cable are oxygen-free copper conductors, prized for their superior conductivity and low capacitance. (guitarcenter.com)
With oxygen-free copper conductors, 95% shielding, and road-ready durability, the Classic Pro microphone cable has everything needed for professional-level performance. (guitarcenter.com)
The novelty is equipped with stranded oxygen-free copper conductors in a twisted pair structure. (hifinext.com)

Oxygen-free high thermal conductivity (OFHC) copper is widely used in cryogenics. (wikipedia.org)
2019715 · 무산소동 (OFHC) Oxygen-free copper (OFC) 혹은 Oxygen-free high thermal conductivity copper (OFHC) 라고 한다. (annaryacat.de)
C101 Oxygen Free Copper is an ultra-high purity copper product with exceptional electrical and thermal conductivity, machinability, and malleability. (thepipingmart.com)
Product features: Fiber laser pump source package, meeting the high heat dissipation requirements of the module, the base material is oxygen-free copper with high thermal conductivity. (joptec.com)

It has a 0.001% oxygen content, 99.95% purity and minimum 100% IACS conductivity. (wikipedia.org)
For the purposes of purity percentage, silver (Ag) content is counted as copper (Cu). C11000 - also known as electrolytic-tough-pitch (ETP). (wikipedia.org)
As with OF copper, silver (Ag) content is counted as copper (Cu) for purity purposes. (wikipedia.org)
citation needed] For industrial applications, oxygen-free copper is valued more for its chemical purity than its electrical conductivity. (wikipedia.org)
It is distinguished by its high degree of purity compared to other available grades of copper. (teckleongmetals.com)
This grade of copper boasts exceptional purity. (annaryacat.de)
The higher the purity of any copper product, the better its corrosion resistance, electrical conductivity, and heat generation when conducting electricity. (thepipingmart.com)
Almost all C101 Oxygen Free Copper usage is extremely specialized due to the greater price that comes with the higher purity product. (thepipingmart.com)
When standard high purity copper is refined under normal atmospheric circumstances in order to further minimize the oxygen concentration, the ultimate refining procedure must be carried out in an oxygen-free environment. (thepipingmart.com)
C101 Oxygen Free Copper is the most costly copper grade due to the additional processing complexity necessary to achieve the requisite product purity. (thepipingmart.com)
These include: purity of copper, fine grain structure, uniform phosphorus content and distribution, and properly cleaned and anodes packaged and ready for use. (janscopper.net)
Tamra is well known for its high purity oxygen free copper, which is immune against hydrogen embrittlement. (tamradhatu.com)
CW008A electronic grade oxygen free copper is highly esteemed for its chemical purity, achieved through electrolytically purifying the copper to eradicate the oxygen. (sdnonferrous.co.uk)
To date, we have been able to supply 2132 MT and 7833nm³ of high purity, medical-grade oxygen to 32 districts in Tamil Nadu. (sterlitecopper.com)

C10200 - also known as oxygen-free (OF). (wikipedia.org)
As an OFHC & OFE copper supplier, Aviva Metals maintains an inventory of grades C10100 & C10200 in a variety of shapes including bars, pipes, tubes, wires and sheets. (annaryacat.de)
C10200 (OF): 99.95% pure copper with 0.001% oxygen content. (annaryacat.de)

Of these, three are widely used and two are considered oxygen-free: C10100 - also known as oxygen-free electronic (OFE). (wikipedia.org)
There are advanced refining processes such as the Czochralski process than can achieve impurity levels below the C10100 specification by reducing copper grain density. (wikipedia.org)

Ultra-pure copper has a conductivity of 5.865×107 S/m, 102.75% IACS. (wikipedia.org)
Oxygen-free copper is a type of pure copper alloy which are highly refined to less than 0.5% oxygen concentration. (annaryacat.de)
What is pure copper wire and oxygen free copper wire? (annaryacat.de)
2017117 · The use of pure copper and oxygen free copper wire is a good choice, better than the selection of aluminum and iron. (annaryacat.de)
C101 Oxygen Free Copper is a very pure copper that contains very little oxygen. (thepipingmart.com)
Copper castings resulting from that process are then melted and cast in a vacuum, reducing environment, or inert gas atmosphere to produce very pure copper with negligible oxygen content. (industrialmetalservice.com)
CW008A is a commercially pure oxygen free copper that consists of a minimum of 99.95% copper and it possess the highest levels of conductivity that is possible in a commercially pure copper - 100% IACS. (sdnonferrous.co.uk)
These precision 24 k gold connectors have a pure copper core for perfect signal pass-through. (sewelldirect.com)

Oxygen-free copper is a premium grade of copper that has a high level of conductivity and is virtually free from oxygen content. (wikipedia.org)
The oxygen content of copper affects its electrical properties and can reduce conductivity. (wikipedia.org)
The UNS database includes many different compositions of high conductivity electrical copper. (wikipedia.org)
While OF is considered oxygen-free, its conductivity rating is no better than the more common ETP grade below. (wikipedia.org)
Conductivity is generally specified relative to the 1913 International Annealed Copper Standard of 5.8×107 S/m. (wikipedia.org)
Note that OF and ETP coppers have identical conductivity requirements. (wikipedia.org)
Oxygen plays a beneficial role for improving copper conductivity. (wikipedia.org)
During the copper smelting process, oxygen is deliberately injected into the melt to scavenge impurities that would otherwise degrade conductivity. (wikipedia.org)
At this time, there are currently no UNS/ASTM classifications for these specialty coppers and the IACS conductivity of these coppers is not readily available. (wikipedia.org)
The high-end speaker wire industry markets oxygen-free copper as having enhanced conductivity or other electrical properties that are supposedly advantageous to audio signal transmission. (wikipedia.org)
High-electrical-conductivity coppers are distinct from coppers deoxidized by the addition of phosphorus in the smelting process. (wikipedia.org)
The OFC is removed of oxygen and manufactured from electrolytic copper, and can be considered a top grade copper in terms of electrical conductivity. (teckleongmetals.com)
2022628 · Oxygen-free copper has: A rich conductivity profile. (annaryacat.de)
Oxygen free copper exhibit high conductivity. (annaryacat.de)
Large industrial transformers - C101 Oxygen Free Copper's improved electrical conductivity enables it to reduce the diameter of wire within transformers, reducing the quantity of copper used and the total installation size. (thepipingmart.com)
Oxygen-free copper has also caught the attention of audiophiles who argue the supposed advantages of oxygen-free copper cables and the better sound that is produced compared to standard copper wire cables because of the improved conductivity. (industrialmetalservice.com)
Oxygen-free copper has higher levels of electrical conductivity than any commercial copper. (sdnonferrous.co.uk)
The oxygen free material ensures high levels of electrical conductivity, more than any other grade of commercial copper and it provides improved qualities for formability and joining. (sdnonferrous.co.uk)

These anodes are available in Copper Ingots, Copper Cathodes and Electrolytic Copper options with all copper forms containing in it least 99.9% copper. (janscopper.net)
Electrolytic copper plate (99.9% copper scraps) is joined in the melting furnaces through the charging device (according to the user needs), (if the raw materials is not 1# red copper, our company can design and install the reverberatory furnace before melting furnaces to remove the copper impurity). (continuouscasting-machine.com)

One of the most significant current discussions in Cu biochemistry relates to the mechanisms of the positive and negative actions of Cu ions based on the generation of reactive oxygen species, including radicals that can interact with DNA molecules. (mdpi.com)
Cu(II) complexes with low molecular weight are functional superoxide-dismutase (SOD) models with superior reactive oxygen species (ROS) removal ability. (tus.ac.jp)
In aerobic organisms, reactive oxygen species (ROS), such as hydroxide (OH), singlet oxygen ( 1 O 2 ), hydrogen peroxide (H 2 O 2 ), and superoxide (O 2 - ) ions are produced during aerobic respiration, which causes serious oxidative damage to biomolecules in the body. (tus.ac.jp)
respiratory burst (the rapid release of Reactions of oxygen radicals with Mitochondrial oxidative phosphor- reactive oxygen species from cells) cel ular components can deplete an- ylation is a major source of oxy- that involves nicotinamide adenine tioxidants, can cause direct oxidative gen radicals of endogenous origin. (who.int)

In any of these applications, the release of oxygen or other impurities can cause undesirable chemical reactions with other materials in the local environment. (wikipedia.org)
There are very few interruptions to the metallic structure of copper when virtually all impurities are removed, and there is a large decrease in the oxidation of the metallic copper when almost all oxygen is removed, which can further restrict performance. (thepipingmart.com)
High vacuum applications - Any scientific application that requires the presence of impurities to be minimized in a vacuum environment can benefit from C101 Oxygen Free Copper to guarantee that the copper wire is free of contamination. (thepipingmart.com)
Oxygen-free copper grades do not release oxygen or other impurities that could result in unacceptable chemical reactions with other materials during certain electronics manufacturing processes. (industrialmetalservice.com)

Copper Clad Aluminum vs Oxygen Free Copper use, trade off, voltage drop in DC circuits. (maker.pro)

Oxygen-free phosphorus-containing copper (CuOFP) is typically used for structural and thermal applications where the copper material will be subject to temperatures high enough to cause hydrogen embrittlement or more exactly steam embrittlement. (wikipedia.org)
The material shall conform to the chemical composition requirements prescribed for copper, phosphorus, and arsenic, as determined by chemical analysis, and to the mechanical property requirements including tensile strength, yield strength, Rockwell hardness, and straightening. (astm.org)

Oxidation is the gain of oxygen. (campaignspace.se)
Moisture catalyzes the oxidation process, enhancing the reactivity of copper, and leading to corrosion or patina. (campaignspace.se)
The confident request expressed concern over possible exposure to lacquer solvents, abrasive-blasting materials, and a patina solution (brown or green layer on copper as a result of oxidation). (cdc.gov)

OFHC is produced by the direct conversion of selected refined cathodes and castings under carefully controlled conditions to prevent contamination of the pure oxygen-free metal during processing. (wikipedia.org)
Oxygen-Free copper, abbreviated OFC (or OFHC) is a grade of copper free of oxygen, containing no deoxidants. (teckleongmetals.com)

These qualities are more exaggerated than conventional copper products since the oxygen concentration is reduced to less than 0.0005 percent, and as a result, they find a variety of highly specialized industrial uses. (thepipingmart.com)

As per the Hon'ble Supreme Court Bench's order on April 27, 2021, we have completed the 3-month duration granted by the Bench to operate our oxygen plant in Thoothukudi until July 31, 2021. (sterlitecopper.com)
Herres-Pawlis, Sonja 2021-07-30 00:00:00 [Bioinorganic copper complexes can activate dioxygen and transfer it to substrates under very mild reaction conditions. (sagepub.com)

On heating blue coloured powder of Copper (I) Nitrate in a boiling tube, Copper Oxide (black), Oxygen gas and a brown gas X is formed (a) Write a balanced chemical equation of the reaction. (topperlearning.com)
Mixed Copper/Copper‐Oxide Anchored Mesoporous Fullerene Nanohybrids as Superior Electrocatalysts toward Oxygen Reduction Reaction Gopalan Saianand Global Innovative Center for Advanced Nanomaterials (GICAN), Faculty of Engineering and Built Environment, The University of Newcastle, Callaghan, 2308 New South Wales, Australia It can react with many toxic chemicals to oxidize them, so they are not toxic any more. (campaignspace.se)
Note that rounding errors may occur, so always check the … What is the simplest formula of the copper oxide. (campaignspace.se)
The black copper oxide that is produced can be restored to original copper color through a reaction with hydrogen. (campaignspace.se)
It reacts with concentrated alkali to form the corresponding cuprate salts: It can also be reduced to copper metal using hydrogen, carbon monoxide, or carbon: When cupric oxide is substituted for iron oxide in thermite the resulting mixture is a low explosive, not an incendiary. (campaignspace.se)
Material: Copper Oxide, also referred to as Copper(II) oxide or cupric oxide (CuO), is the higher oxide of copper. (campaignspace.se)
Copper (I) oxide crystallizes in a cubic structure. (campaignspace.se)
Copper(II) oxide or cupric oxide is the inorganic compound with the formula CuO. (campaignspace.se)
Copper oxide may refer to: Copper(I) oxide (cuprous oxide, Cu 2 O) Copper(II) oxide (cupric oxide, CuO) Copper peroxide (CuO 2) Copper(III) oxide (Cu 2 O 3) This set index page lists chemical compounds articles associated with the same name. (campaignspace.se)
In Situ Raman Spectroscopy of Copper and Copper Oxide Surfaces during Electrochemical Oxygen Evolution Reaction: Identification of Cu III Oxides as Catalytically Active Species. (campaignspace.se)
If two copper atoms bond to an oxygen atom, it is cuprous oxide. (campaignspace.se)
When 2.50g of copper reacts with oxygen the copper oxide product has a mass of 2.81g. (campaignspace.se)
Engineering Nanowire Array Structure of Copper Oxide/Cuprous Oxide for Enhanced Oxygen Evolution Reaction To cite this article: Wenjing Yuan et al 2020 J. Electrochem. (campaignspace.se)
A rationally designed nanostructured copper/copper oxide electrocatalyst for OER is presented. (campaignspace.se)
NACRES NA.55 Copper oxide is a compound from the two elements copper and oxygen. (campaignspace.se)
Copper and oxygen ions react to form copper oxide, but, if only restricted to dry air, this process is very slow. (campaignspace.se)
Copper burns in oxygen with a green flame to form copper oxide. (campaignspace.se)
Copper oxide (Cu2O) Cupramar. (campaignspace.se)
For example, many wood preservatives are produced from copper oxide. (campaignspace.se)
3]. ... Copper oxide films. (campaignspace.se)
0.716 gram of copper [I] oxide contains 0.636 gram of copper. (campaignspace.se)
Using in situ ambient pressure X-ray photoelectron spectroscopy and quasi in situ electron energy-loss spectroscopy in a transmission electron microscope, we show that there is a substantial amount of residual oxygen in nanostructured, oxide … I got Cu2O (copper (I) oxide). (campaignspace.se)
Other names - Dicopper oxide, Red copper oxide, Cuprous oxide It produces a very wide range of colors in glazes, from greens (delicate light greens to turquoise to deep emerald green), to red, pink, blue, black, yellow, and copper … What are the ratings and certificates for The Wonder Pets - 2006 Save the Nutcracker? (campaignspace.se)

In the method, a deoxidizing step is carried out by bringing a reducing gas containing hydrogen gas into contact with a molten copper to react to the oxygen to remove the same. (annaryacat.de)
Smelting and pouring molten copper into castings in an oxygen-free environment, such as a vacuum or a carefully regulated inert atmosphere, is one example. (thepipingmart.com)

The characteristics of the substance are quite similar to those of elemental copper. (thepipingmart.com)
Overall, there are several characteristics that determine the quality of the copper anodes manufacturing process. (janscopper.net)
Due to these characteristics, copper is often used in electrical components such as motors, wiring, machinery heat exchangers and electronic connecters. (sdnonferrous.co.uk)

Reactive Bubbly Flows: Control of the Formation and Reaction of Copper-Oxygen Adduct Complexes in. (sagepub.com)
Reactive Bubbly Flows Control of the Formation and Reaction of Copper-Oxygen Adduct Complexes in Multiphase Streams %22&body=%0AI%20found%20an%20article%20you%20might%20be%20interested%20in. (sagepub.com)
Bioinorganic copper complexes can activate dioxygen and transfer it to substrates under very mild reaction conditions. (sagepub.com)

Most 12 AWG speaker cables use 90 to 100 threads of copper, we've put 259 strands into each conductor of our Silverback cable. (sewelldirect.com)
The wire is specifically tinned to prevent corrosion of the copper conductor. (showtimeelectronics.com)

Our selection covers sulphur, tellurium, silver-bearing and copper chromium zirconium, suitable for many applications. (sdnonferrous.co.uk)

This specification establishes the requirements for seamless round, rectangular, and square copper tube (UNS Nos. (astm.org)

By the choice of ligand, the rate of oxygen activation, stability of the Cu/O2 species and rate of subsequent reaction can be tuned. (sagepub.com)
However, the sluggish oxygen reduction reaction (ORR) at the cathode hampers the overall electrochemical performance of a fuel cell by generating an unfavourable byproduct, which is H 2 O 2 . (hku.hk)
The reaction starts with the fully reduced form of the enzyme, presumably with a water molecule weakly coordinated to the type-2 copper (Cu-T2) ion and no bridging moiety between the two type-3 copper (Cu-T3) ions.17,22 The incoming di- oxygen is immediately reduced, yielding a peroxide-level intermediate (PI),12 with a peroxide ion bound in the centre of the TNC. (lu.se)

Jans Copper Pvt Ltd is one of the leading Copper Anodes, Copper Balls & Copper Nuggets manufacturer and supplier in India. (janscopper.net)
Jans Copper Pvt Ltd's Copper Anodes, Copper Balls & Copper Nuggets are manufactured in accordance with the defined international standards. (janscopper.net)

This cable is made of True Spec 100% Oxygen-Free copper. (pricedrightsales.com)
True spec 100% oxygen-free copper soft touch cable with extremely flexible high strand bundles for maximum power transfer to get the most out of your amplifiers. (pricedrightsales.com)

The density of copper in its purest form is 8.92 gm/cm3. (sdnonferrous.co.uk)

It has 0.02% to 0.04% oxygen content (typical). (wikipedia.org)

Electrolytic-tough-pitch (ETP) copper is also considered an oxygen-free copper, though it has more oxygen content than the OF and OFE grades. (industrialmetalservice.com)
As the purest of the oxygen-free copper grades, it's also the most expensive. (industrialmetalservice.com)
Available Sizes As per customer's requirement Available Grades ETP, OFC, Phosphorised Copper Plating / Coating Bare Additional Specifications / Details Available in all forms i.e. (janscopper.net)

Reacts with copper, silver, mercury and their salts. (ilo.org)

Copper was one of the first metals that was ever used by humans, and since its discovery in approximately 8000 B.C. we have found many innovative and useful ways to utilise copper metal. (sdnonferrous.co.uk)
Copper is also one of the primary metals used to make cooking utensils and equipment, but the copper that we probably have the most daily contact with - coins. (sdnonferrous.co.uk)
to superoxide or that "autoxidize", and when coupled with catalase Oxygen radicals clearly contribute to probably through reactions catalysed within peroxisomes or with cytosolic genomic instability, are produced by by transition metals. (who.int)
Sequestration in many of the processes identified can also result in the release of ox- of transition metals, principally iron above as necessary for conversion ygen radicals ( Hrycay and Bandiera, and copper, in their oxidized forms of normal cel s into cancer cel s. (who.int)

With so small a content of extraneous elements, the inherent properties of elemental copper are brought forth to a high degree. (wikipedia.org)

The most natural, and inevitable, type of copper tarnish happens in the presence of oxygen. (campaignspace.se)

Round Copper Rods, Grade: Industrial ₹ 777/ Kilogram. (annaryacat.de)

Method and apparatus for manufacturing an oxygen-free copper having an oxygen content of no greater than 3 ppm by weight are disclosed. (annaryacat.de)
On loss of containment this substance can cause suffocation by lowering the oxygen content of the air in confined areas. (ilo.org)
Check oxygen content before entering area. (ilo.org)

Not only does Silverback speaker wire have a higher strand count, it is also made up of pure, oxygen-free copper. (sewelldirect.com)
This is tinned Oxygen Free Cable which is the best audio wire you can purchase. (showtimeelectronics.com)
Good, your ampacity is improved about 25% by switching to copper.But, If you increased it one wire size it'd be about a 50% improvement. (maker.pro)

Copper ions bind to biomolecules (e.g., peptides and proteins) playing an essential role in many biological and physiological pathways in the human body. (mdpi.com)
copper ions form a blue colour when they are dissolved in water, because of the electron configuration of the copper atom. (campaignspace.se)

OF/OFE-grade copper is used in plasma deposition (sputtering) processes, including the manufacture of semiconductors and superconductor components, as well as in other ultra-high vacuum devices such as particle accelerators. (wikipedia.org)
Superior Audio/Video Applications - Copper wiring constructed from C101 Oxygen-free Copper will be used in high-end audio/visual applications where quality is vital. (thepipingmart.com)
Local metal suppliers who specialize in recycling usable remnants provide a very convenient source of high-quality, affordable oxygen-free copper. (industrialmetalservice.com)
Our "ultimate recycling" approach to finding profitable uses for high-quality copper remnants benefits a growing number of machine shops and fabricators who don't need new copper. (industrialmetalservice.com)
Made of high-strength and heat-resistant copper for durable use. (uniaux.com)

Specifications C17200 Applications Beryllium copper is a ductile, weldable an. (teckleongmetals.com)

This copper is finished to a final form in a carefully regulated, oxygen-free environment. (wikipedia.org)

Although these manufacturers consider this scrap unusable for additional manufacturing processes in their facilities, the dimensions of these oxygen-free scraps make them ideal for manufacturing, fabrication, or machining projects done by smaller shops. (industrialmetalservice.com)

This scheme Illustrates efficient, selective oxygen reduction using earth-abundant electrocatalyst and new surface cocatalysts. (hku.hk)

In the environment, arsenic is combined with oxygen, chlorine, and sulfur to form inorganic arsenic compounds. (cdc.gov)
Copper chromated arsenic (CCA) is used to make "pressure-treated" lumber. (cdc.gov)

Anatomy2

Diseases6

Chemicals and Drugs44

Analytical, Diagnostic and Therapeutic Techniques and Equipment7

Phenomena and Processes13

Technology, Industry, Agriculture1

Information Science2

99.997

Alloys11

Conductors4

Thermal conductivity4

Purity14

C102003

C101002

Pure copper8

Conductivity18

Electrolytic copper2

Reactive oxygen4

Impurities4

Clad aluminum1

Phosphorus2

Oxidation3

OFHC2

0.00051

20212

Oxide23

Molten copper2

Characteristics3

Complexes3

Conductor2

Chromium1

Specification1

Reaction3

Anodes2

True Spec2

Purest form1

0.041

Grades3

Reacts1

Metals4

Elemental copper1

Type of copper1

Kilogram1

Content3

Wire3

Ions2

High5

Specifications1

Carefully regulated1

Scraps1

Electrocatalyst1

Arsenic2