DiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesDisciplines and OccupationsTechnology, Industry, AgricultureNamed GroupsHealth Care
PalladiumRutheniumRuthenium RedRuthenium CompoundsPlatinum CompoundsOrganometallic CompoundsAlkenesPhosphines2,2'-DipyridylOrganic Chemistry ProcessesCatalysisRhodiumCoordination ComplexesOrganoplatinum CompoundsPlatinumCyclizationMolecular StructureCisplatinChemistry, OrganicStereoisomerismAminationAlkynesSiloxanesHydrocarbons, AromaticBoratesRecyclingCarboplatinOxidative CouplingAllyl CompoundsAntineoplastic AgentsChlorobenzenesSulfanilic AcidsIridiumAlkadienesBoronCetylpyridiniumElectroplatingAminesDental StaffLewis AcidsElectrodesSpectrophotometry, AtomicKetonesElectrochemistryHeterocyclic CompoundsOvarian NeoplasmsElectrochemical TechniquesTransition ElementsCalciumHydrocarbons, HalogenatedAmmonium HydroxideIndicators and ReagentsOxidation-ReductionHalogenationBromidesRuthenium Radioisotopes
OsmiumRhodiumMetalsPGMsTerdiri dariCopperCatalytic propertiesSource of palladiumAlloysWilliam Hyde WollPintoWollastonCatalystsCharacteristicsPreciousAnticancerLogamCompoundsChemicalSilvery-white metalNickelPalladium'sGroupMetalSilverGoldCatalystDepositsHydrogenDiamondsAtomicRarityResistanceCarbonFoundTarnishMalleableJewelryMetallicDullWorld'sApplicationsNaturally occurColourFormWhite
Osmium12
Rhodium11
  • VECs contain solid platinum (Pt), palladium (Pd), and rhodium (Rh) and are installed in the exhaust system of vehicles to reduce harmful emissions, such as carbon monoxide (CO), by converting them into less harmful emissions. (wikipedia.org)
  • Alloyed with ruthenium and rhodium it is suitable for jewelry, having the look of platinum but with half the weight. (langantiques.com)
  • Primarily used in alloys and as a plated finish, Rhodium is a platinum family metallic element with the chemical symbol of Rh. (langantiques.com)
  • The unique reflective qualities of Rhodium result from hits hardness and whiteness (greater than platinum) and make it ideal for plating. (langantiques.com)
  • Ia tidak hanya menemukan rhodium, ia juga menemukan logam kelompok platina lain yaitu paladium. (sainskimia.com)
  • 2. Rhodium digunakan sebagai agen paduan untuk pengerasan dan meningkatkan ketahanan korosi platina dan paladium. (sainskimia.com)
  • A gold catalyst, part of world palladium production is snapped up by the motor industry for exhaust catalytic converters, for which palladium, platinum and rhodium are used. (homeobook.com)
  • The term platinum group metal is in fact a name given to a set of 6 metals with similar characteristics: ruthenium, rhodium, palladium- the palladium-group platinum group elements (PPGEs) and platinum, osmium and iridium- the iridium-group platinum group elements (IPGEs). (unios.hr)
  • Jasmine Cui, NBC News , 5 Nov. 2023 The devices contain precious metals such as palladium, platinum and rhodium in their cores and are often targeted by thieves because of their high value, lack of identifying markings and relative ease of theft. (merriam-webster.com)
  • 2023 They are stolen because the metals in them - rhodium , palladium and platinum - are highly valuable and worth thousands of dollars, according to the National Insurance Crime Bureau. (merriam-webster.com)
  • Jordan Mendoza, USA TODAY , 16 Feb. 2023 Thieves are after what's inside of catalytic converters - platinum, rhodium , and palladium, rare earth metals that are more valuable than gold, according to the nonprofit. (merriam-webster.com)
Metals34
  • A metallic element of atomic number 78, one of the noble metals, classed with silver and gold as a precious metal, occurring native or alloyed with other metals and also as the platinum arsenide (sperrylite). (freedictionary.org)
  • Platinum metals (Chem. (freedictionary.org)
  • As one of the lesser known but vital precious metals, Platinum has a long history of being used for jewelry and ornamentation, reaching back to the ancient Egyptian empire, having been discovered on a coffin unearthed in Thebes, estimated to be from the 7th century BC. (sprott.com)
  • Platinum is a gray-white precious metal and one of a group of six elements known as the Platinum Group Metals (PGM). (sprott.com)
  • Being the rarest of all the precious metals, along with its incredible strength as the hardest among them, has led Platinum to be one of the preferred forms of jewelry throughout the ages. (sprott.com)
  • Platinum , along with the other Platinum Group Metals, has strong catalytic properties - meaning it can accelerate or trigger a chemical process without becoming permanently changed or consumed. (sprott.com)
  • The platinum-group metals (PGMs), also known as the platinoids, platinides, platidises, platinum group, platinum metals, platinum family or platinum-group elements (PGEs), are six noble, precious metallic elements clustered together in the periodic table. (wikipedia.org)
  • The platinum metals have many useful catalytic properties. (wikipedia.org)
  • Apart from their application in jewellery, platinum metals are also used in anticancer drugs, industries, dentistry, electronics, and vehicle exhaust catalysts (VECs). (wikipedia.org)
  • Platinum in a native state, often accompanied by small amounts of other platinum metals, is found in alluvial and placer deposits in Colombia, Ontario, the Ural Mountains, and in certain western American states. (wikipedia.org)
  • Even though the quantity of platinum metals found in these ores is small, the large volume of nickel ores processed makes commercial recovery possible. (wikipedia.org)
  • Metallic iridium is found with platinum and other platinum group metals in alluvial deposits. (wikipedia.org)
  • Heat treating, rolling, and alloying with other platinum family metals results in a harder metal suitable for jewelry. (langantiques.com)
  • The platinum family metals work better as alloys enabling them to strengthen any weaknesses and enhance their many strengths. (langantiques.com)
  • Palladium, one of the rare metals, was first separated from native Platinum by Wollaston in 1803, and Was named after the planet Pallas, which had been discovered just before that time by Olbers. (materiamedica.info)
  • Gold, silver, and platinum are the most commonly used jewelry metals. (gemsociety.org)
  • However, three jewelry metals have withstood the test of time and continue to have a strong presence in modern jewelry: gold, silver, and platinum. (gemsociety.org)
  • For all these reasons, the trio of gold, silver, and platinum continue to enjoy considerable popularity as jewelry metals. (gemsociety.org)
  • There were many contributions involving the chemistry of the platinum group metals (pgms) throughout all of the themes. (matthey.com)
  • As the most recognized metal among the platinum group metals, the widespread use of platinum has also revealed the mystery of platinum group metals (PGMs). (ftmmachinery.com)
  • It also has a high melting point (albeit the lowest of all platinum group metals) and resistance to deformation, which is useful for strengthening alloys. (ftmmachinery.com)
  • Ruthenium is one of the most effective hardeners for platinum and palladium and forms alloys with these metals to make electrical contacts and chip resistors with severe wear resistance. (ftmmachinery.com)
  • It can be mixed with other platinum group metals or with other elements such as copper, nickel, or cobalt. (binenbaum.com)
  • Among the transition metals palladium has one of the strongest tendencies to form bonds with carbon. (homeobook.com)
  • Platinum appears to be breaking a long downtrend line and breaking out, that could be signaling and closing of the large gap between the two similar metals. (marketslant.com)
  • Impala Platinum Holdings Ltd. (IMP:JSE) gave investors a clue that platinum could be turning here as shares in producing companies tend to move before the physical metals, as speculators want the leverage that comes with owning the company shares. (marketslant.com)
  • The reason why platinum is today the most valuable of precious metals is because it is required in many industrial applications. (totalmateria.com)
  • White gold is yellow gold that has been alloyed with other metals such as silver, palladium and platinum to give it a warm white coloured metal. (shawjewellers.co.uk)
  • Palladium can be found as a free metal and alloyed with other platinum-group metals. (americanelements.com)
  • The end goal and purpose of this final thesis is to describe the various attributes, methods of preparation and usage of platinum group metals (PGMs), as well as to examine their discovery, history, mining circumstances, and compounds they build in closer detail. (unios.hr)
  • Platinum is the rarest, and most valuable of all the precious metals. (hunter-jewellers.com.au)
  • One of the strongest metals used in jewellery, Platinum will endure through all uses. (hunter-jewellers.com.au)
  • Platinum is one of the most precious and valuable metals in the world, rarer even than gold. (jewelrycarats.com)
  • Platinum is often alloyed with other metals like palladium and copper to improve its strength and to make it easier to mould and shape into intricate designs. (jewelrycarats.com)
PGMs1
  • Ore deposits of palladium and other PGMs are rare, and the most extensive deposits have been found in the norite belt of the Bushveld Igneous Complex covering the Transvaal Basin in South Africa, the Stillwater Complex in Montana, United States, the Thunder Bay District of Ontario, Canada, and the Norilsk Complex in Russia. (hunter-jewellers.com.au)
Terdiri dari1
  • Golongan ini terdiri dari unsur nikel ( Ni ), paladium ( Pd ), platina ( Pt ), dan unsur sintetis yang radioaktif darmstadtium ( Ds ). (wikipedia.org)
Copper3
Catalytic properties1
  • Palladium has excellent catalytic properties like platinum , so it can be used as a replacement for the more expensive platinum in catalytic converters. (ftmmachinery.com)
Source of palladium1
Alloys4
  • Naturally occurring platinum and platinum-rich alloys were known by pre-Columbian Americans for many years. (wikipedia.org)
  • Platinum can occur as a native metal, but it can also occur in various different minerals and alloys. (wikipedia.org)
  • Naturally occurring alloys of the platinum family occur in cube or rounded form and are used in items such as pen nibs and phonograph needles. (langantiques.com)
  • Right here at Cooksongold we use the the best quality alloys for our castings together with Silver, Platinum and 9 or 18ct Purple, Yellow and White Gold. (indiansareeshop.com)
William Hyde Woll1
  • Palladium was discovered and first isolated by William Hyde Wollaston in 1803. (americanelements.com)
Pinto1
  • Platinum was first discovered by the Spanish conquistadors in South America, near the Pinto River in present-day Columbia. (binenbaum.com)
Wollaston3
  • Rodium ditemukan pada tahun 1803, di London, oleh kimiawan Inggris William H. Wollaston, ketika memeriksa bijih platina dari Peru. (sainskimia.com)
  • (1) Wollaston pertama kali diberitahu tentang kemungkinan elemen baru oleh Hippolyte-Victor Collet-Descotils, yang percaya bahwa warna merah dari beberapa garam platina sebenarnya disebabkan oleh kehadiran logam yang tidak dikenal. (sainskimia.com)
  • Untuk menyelidiki kemungkinan ini, Wollaston pertama melarutkan bijih platina mentah dalam aqua regia, larutan asam asam klorida dan asam nitrat dengan kosentrasi tinggi. (sainskimia.com)
Catalysts1
  • In this lecture Professor Grubbs described the early development of the now famous first and second generation Grubbs' catalysts, and the more recent applications of these ruthenium catalysts in the synthesis of a wide variety of valuable chemicals and polymers. (matthey.com)
Characteristics2
  • Platinum possesses high resistance to chemical attack, excellent high-temperature characteristics, and stable electrical properties. (totalmateria.com)
  • Palladium, although very similar to Platinum, has differing characteristics making it a unique and naturally stunning precious metal. (hunter-jewellers.com.au)
Precious5
  • Will Platinum Be the Precious Metal Leader? (marketslant.com)
  • Platinum, after making what appears to be a wash-out low in August 2018, now looks poised to be a precious metal leader, writes fund manager John Newell at Fieldhouse Capital Management. (marketslant.com)
  • Platinum is a precious transition metal that has the chemical symbol Pt and an atomic number of 78 on the periodic table. (marketslant.com)
  • Platinum is more precious than gold or silver. (totalmateria.com)
  • When buying platinum jewelry there are certain identifiable markings that will indicate if a piece is made of this precious metal or not. (jewelrycarats.com)
Anticancer2
  • A significant number of contributions concerned alternative pgm-containing complexes (particularly of platinum and palladium) with potential anticancer activity. (matthey.com)
  • New insights into possible in vivo reactions (p. 39) and the mechanism by which these platinum complexes may act were reported (p. 40), including kinetic studies (p. 527), consideration of both DNA and RNA as possible targets (p. 41), thermogravimetric behaviour (p. 338), chemically triggering the cis / trans isomerisation of anticancer platinum drugs (p. 372) and the synthesis of model calyx[ n ]arene complexes (p. 258). (matthey.com)
Logam1
  • Dia kemudian mengendapkan logam platina dengan melarutkan larutan dalam amonium klorida. (sainskimia.com)
Compounds1
Chemical9
  • the group of metallic elements which in their chemical and physical properties resemble platinum. (freedictionary.org)
  • Modern-day uses of Platinum include being a key element in catalytic converters for vehicles, as it converts car exhaust gasses into less harmful substances, as a catalyst in the chemical industry and even in the creation of life-saving anti-cancer drugs. (sprott.com)
  • The chemical symbol for platinum is Pt and it has a specific gravity of 21.4. (langantiques.com)
  • Palladium is a metallic element with the chemical symbol Pd and is an unusual member of the platinum group. (langantiques.com)
  • Mainly used as a hardener for platinum and palladium, ruthenium is a metallic element with the chemical symbol Ru. (langantiques.com)
  • Platinum is particularly well suited as a fuel cell catalyst as it allows the hydrogen and oxygen reactions to take place at an optimal rate, while being stable enough to withstand the high electrical current density and the complex chemical reaction that take place in a fuel cell, performing efficiently over the long term. (marketslant.com)
  • Platinum is a chemical element with the chemical symbol Pt and the atomic number of 78. (totalmateria.com)
  • These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. (hunter-jewellers.com.au)
  • Chemical Elements words: mercury to platinum, part 5 of 8. (wordquests.info)
Silvery-white metal2
  • Palladium occurs as a silvery-white metal with a face - centred cubic structure, as black powder, or as spongy masses which can be compressed to a compact mass. (homeobook.com)
  • Platinum is a beautiful silvery-white metal, when pure, and is malleable and ductile. (totalmateria.com)
Nickel4
  • Platinum is also produced commercially as a by-product of nickel ore processing. (wikipedia.org)
  • The huge quantities of nickel ore processed makes up for the fact that platinum makes up only two parts per million of the ore. (wikipedia.org)
  • Iridium has better X-ray reflectivity than nickel, gold, and platinum, so it is also used in X-ray telescopes. (ftmmachinery.com)
  • In South Africa and Zimbabwe, platinum is mined as a primary metal, whereas it is produced predominantly as a byproduct of nickel in Russia. (marketslant.com)
Palladium's2
  • Palladium's price premium to Platinum reflects the tight supply and current deficit supply deficit and highlights the potential for substitution, such as what happened from 1999 to 2002. (marketslant.com)
  • With palladium reaching new all-time, never-been-higher highs, due to the headline-grabbing announcements of deficits in 2018 that are likely to grow in 2019 to greater than 1 million ounces, suggests that palladium's growing demand and depleted inventories will keeping prices historically high in the short term. (marketslant.com)
Group11
  • These consist of the light platinum group, viz. (freedictionary.org)
  • and the heavy platinum group, viz. (freedictionary.org)
  • Platinum is the most common of the group and sees the most use. (sprott.com)
  • However, they can be further subdivided into the iridium-group platinum-group elements (IPGEs: Os, Ir, Ru) and the palladium-group platinum-group elements (PPGEs: Rh, Pt, Pd) based on their behaviour in geological systems. (wikipedia.org)
  • The difference between palladium and the rest of the platinum group is that it is subject to attack by nitric acid and by hot sulphuric acid. (langantiques.com)
  • Iridium is the rarest platinum group metal and the most corrosion-resistant element known. (ftmmachinery.com)
  • Platinum is in the Group 10 of the periodic table of elements. (totalmateria.com)
  • Palladium (atomic symbol: Pd, atomic number: 46) is a Block D, Group 10, Period 5 element with an atomic weight of 106.42. (americanelements.com)
  • Palladium has the lowest melting point and is the least dense of the group. (americanelements.com)
  • Platinum (atomic symbol: Pt, atomic number: 78) is a Block D, Group 10, Period 6 element with an atomic weight of 195.084. (americanelements.com)
  • As a member of the platinum group of elements, as well as of the group 10 of the periodic table of elements, platinum is generally non-reactive. (hunter-jewellers.com.au)
Metal15
  • Platinum is a metal that represents power, prestige and a sense of great accomplishment. (sprott.com)
  • Considering Platinum is far more difficult to forge and manipulate than gold or silver, the method these ancient peoples used to work such a problematic metal was incredible and a testament to their dedication to their craft. (sprott.com)
  • The name platinum is derived from the Spanish word platina "little silver", the name given to the metal by Spanish settlers in Colombia. (wikipedia.org)
  • That said, Sperrylite (platinum arsenide, PtAs2) ore is by far the most significant source of this metal. (wikipedia.org)
  • Palladium jewelry is relatively rare but during WWII platinum was required as a strategic metal and less strategically useful family member was employed as a replacement for platinum in fine jewelry. (langantiques.com)
  • Apart from gold and silver, the most frequently mentioned noble metal in everyday life is platinum. (ftmmachinery.com)
  • For example, King Louis XVI of France declared that "platinum is the only metal suitable for kings", he had a platinum bowl. (ftmmachinery.com)
  • Palladium, known as the most corrosion-resistant pure metal, is resistant to salts, oxides, and inorganic acids, but is affected by sodium chloride and sodium cyanide. (ftmmachinery.com)
  • Platinum is a highly prized metal that is often used in the manufacture of fine jewelry. (binenbaum.com)
  • Platinum is a rare metal with distinctive qualities that make it highly valued across several diverse demand segments. (marketslant.com)
  • Platinum is an extremely rare metal, occurring as only 0.003 ppm in the Earth's crust. (totalmateria.com)
  • Platinum jewellery contains more fine metal than most other jewellery, being at least 95% pure. (hunter-jewellers.com.au)
  • The numerous applications and limited supply sources of palladium result in the metal attracting considerable investment interest. (hunter-jewellers.com.au)
  • Markings on platinum jewelry can be used to reveal useful information about the piece, such as the manufacturer, metal content, purity level and even age. (jewelrycarats.com)
  • Platinum smithy have more tools at their disposal due to its malleability but this can create designs for today's jewelers who want intricate pieces that no other metal offers them. (jewelrycarats.com)
Silver13
  • platina, from plata silver, LL. (freedictionary.org)
  • Platinum was dubbed 'platina' or 'little silver' by the Spanish Conquistadors, and the truth is, it's so much more than meets the eye. (sprott.com)
  • The name Platinum comes from the Spanish word "platina," basically translating to "little silver. (sprott.com)
  • They regarded platinum as an unwanted impurity in the silver they were mining. (wikipedia.org)
  • Nicknamed platina (silver of little value) in 1735 by Spanish explorers, they didn't know what to do with it. (langantiques.com)
  • Precium is a brand name for an alloy of silver and palladium. (langantiques.com)
  • Moreover, in comparison to gold or platinum, silver is extra inexpensive and extra ample. (indiansareeshop.com)
  • Platinum is named after the Spanish word 'platina,' which means 'little silver. (binenbaum.com)
  • Palladium is the first element in the silver series. (homeobook.com)
  • Platinum is grayish white in color and is often mistaken for silver. (marketslant.com)
  • Platinum is derived from the Spanish word, platina, which translates to "small silver. (marketslant.com)
  • Platinum is thirty times rarer than gold, with annual production of 6 million ounces per year, compared to ~100 million p/a ounces of gold, and 850 million ounces p/a of silver. (marketslant.com)
  • Platinum jewelry offers numerous benefits for discerning customers over traditional gold or silver pieces. (jewelrycarats.com)
Gold8
  • In those times, it was widely believed that "platina" was young gold and that, given time, it would turn yellow as it matured, but until then, better to toss it aside and get back to mining for the real thing. (sprott.com)
  • Platinum fragments were coated with gold dust, then heated by blowpipe on pieces of wood charcoal. (sprott.com)
  • The molten gold then caused the platinum to sinter, meaning it coalesced into a porous mass through heating, which allowed it to be forged. (sprott.com)
  • Edwardian Platinum-Topped Gold, Diamond and Natural Pearl Brooch. (langantiques.com)
  • Engagement ring with marquise and pear-shaped diamonds in platinum settings, with accompanying gold wedding band, by Lorraine Hughes , Dot The Jewellers . (gemsociety.org)
  • Currently platinum trades at ~70% of an equivalent ounce of gold, which is historically very inexpensive. (marketslant.com)
  • Platinum appears to be cheap, trading at ~70% of the price of gold, building a series of recent higher lows and higher highs, after a washout low in August 2018 that traded a slightly higher low than the 2008 financial crisis low. (marketslant.com)
  • In addition, platinum jewelry is much lighter in weight than gold counterparts which makes wearing an item such as a full necklace comfortable and also fashionable as many find the color very desirable when paired with different gems due to its subtlety. (jewelrycarats.com)
Catalyst1
Deposits2
  • Mafic layered intrusions, including the Bushveld Complex, outweigh by far all other geological settings of platinum deposits. (wikipedia.org)
  • South Africa, with vast platinum ore deposits in the Merensky Reef of the Bushveld complex, is the world's largest producer of platinum, followed by Russia. (wikipedia.org)
Hydrogen3
  • Very thin Palladium membranes are used in hydrogen filters. (homeobook.com)
  • Platinum is also used to catalyze the electricity-producing conversion of hydrogen and oxygen into water in hydrogen-based fuel cells, with water and heat the only emissions. (marketslant.com)
  • Palladium plays a key role in the technology used for fuel cells, which combine hydrogen and oxygen to produce electricity, heat, and water. (hunter-jewellers.com.au)
Diamonds1
Atomic1
  • Platinum also has 31 synthetic isotopes ranging in atomic mass from 166 to 202, making the total number of known isotopes 37. (totalmateria.com)
Rarity2
Resistance3
  • Because of its hardness and corrosion resistance, it is often used in jewelry to harden platinum. (langantiques.com)
  • Platinum is a white metallic element that is known for its strength, durability, and resistance to tarnish and corrosion. (binenbaum.com)
  • We believe this demand will continue, as new uses for platinum are being discovered all the time, due to the metal's resistance to corrosion, high melting point, electrical conductivity and durability. (marketslant.com)
Carbon2
  • Amino-functionalized fullerene coupled with palladium-platinum bimetallic alloy nanocrystals (n-C-PdPt) was synthesized to modify the surface of a glassy carbon electrode (GCE) because the n-C nanomaterial affords a large surface area for the on-site reduction of bimetallic alloy nanoparticles and an excellent capacity for electron transfer. (americanelements.com)
  • Over half of the supply of palladium and its congener platinum goes into catalytic converters, which convert up to 90% of harmful gases from auto exhaust (hydrocarbons, carbon monoxide, and nitrogen dioxide) into less-harmful substances (nitrogen, carbon dioxide and water vapor). (hunter-jewellers.com.au)
Found6
  • A naturally occurring platinum-iridium alloy, platiniridium, is found in the mineral cooperite (platinum sulfide, PtS). (wikipedia.org)
  • Eventually, it found its way into jewelry and by 1920 65% of the platinum used in the USA was exclusively for jewelry. (langantiques.com)
  • Platinum and Palladium, both proved in dust form, showed such similarity in their effects that the question arose whether corresponding differences might be found. (materiamedica.info)
  • Platinum is often found in nature as an alloy, which is a mixture of two or more elements. (binenbaum.com)
  • As a result, platinum is often found chemically uncombined as native platinum. (hunter-jewellers.com.au)
  • These words or symbols are especially helpful when shopping for platinum jewelry and are often found inside the band of a ring. (jewelrycarats.com)
Tarnish2
  • They are highly resistant to wear and tarnish, making platinum, in particular, well suited for fine jewellery. (wikipedia.org)
  • This rich purity makes Platinum hypoallergenic, and its natural white colour will not tarnish or lose its lustre. (hunter-jewellers.com.au)
Malleable2
  • Platinum, in its pure form, is soft and malleable. (langantiques.com)
  • In its natural state, palladium It is very soft and malleable so much so that it can be beaten into leaf or sheets for decorative purposes. (langantiques.com)
Jewelry10
  • Some of the first known Platinum jewelry was crafted by the ancient indigenous peoples of Ecuador, with estimates placing their culture several centuries before the Spanish conquest of South America in 1492. (sprott.com)
  • they were the only people who manufactured Platinum jewelry. (sprott.com)
  • Platinum is very popular in the jewelry industry, and platinum is often used in engagement rings to express the innocence and longevity of love. (ftmmachinery.com)
  • Palladium is also used in jewelry, although it is not as popular as platinum. (ftmmachinery.com)
  • There is growing demand for platinum in industrial uses, jewelry and as an investment. (marketslant.com)
  • Among all the known modern uses of platinum, most of the annual production is consumed by two dominant categories - catalytic converters and fine jewelry. (totalmateria.com)
  • Platinum has been a very popular choice for making jewelry since ancient devices with platinum were discovered in the tombs of South American royalty as far back as 500BC. (jewelrycarats.com)
  • In order to make sure that people obtain the highest quality pieces possible, it helps to understand the various markings on platinum jewelry available today. (jewelrycarats.com)
  • Because of this, platinum jewelry has become increasingly popular in recent years, particularly amongst those that want their rings, necklaces, bracelets and pendants to stand out from the crowd. (jewelrycarats.com)
  • Platinum jewelry bears different markings which serve as an integral part in its identification. (jewelrycarats.com)
Metallic3
  • a soft, dull black powder, consisting of finely divided metallic platinum obtained by reduction and precipitation from its solutions. (freedictionary.org)
  • metallic platinum in a gray, porous, spongy form, obtained by reducing the double chloride of platinum and ammonium. (freedictionary.org)
  • Iridium the most corrosion-resistant (unaffected by any acid) and possibly densest metallic element as well as being a member of the platinum family. (langantiques.com)
Dull1
  • When discovered, Platinum can be quite inconspicuous at first glance, with nuggets having a dull gray or black hue. (sprott.com)
World's1
Applications1
  • Platinum has multiple and essential applications while new uses for platinum are constantly developed. (totalmateria.com)
Naturally occur1
Colour1
  • Palladium has a preference for the colour ultramarine. (homeobook.com)
Form2
  • Platinum is insoluble in hydrochloric and nitric acid, but dissolves in aqua regia to form chloroplatinic acid, H 2 PtCl 6 . (totalmateria.com)
  • In its elemental form, palladium has a silvery white appearance. (americanelements.com)
White1