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• Aqua regia
  ...efining processes. The other "noble metals", [[ruthenium]], [[rhodium]], [[iridium]], and [[osmium]], are not reactive with aqua regia, though ruthenium will ...are in trace amounts. Aqua regia will react extremely violent with organic compounds in sufficient quantities, sometimes with explosive results.
  3 KB (488 words) - 19:16, 12 March 2021
• Osmium
  |right=[[Iridium]] Osmium forms compounds with oxidation state from '''-2''' to '''8'''. It is slightly attacked by [
  8 KB (1,140 words) - 16:43, 2 November 2022
• Platinum
  |left=[[Iridium]] Being a noble metal, it is non-toxic, though some of its compounds should be handled with care, as they're toxic.
  9 KB (1,137 words) - 21:39, 25 January 2019
• Iridium
  |image name=Iridium granules at Johnson Matthey noble metal plant.jpg |image name comment=Iridium metal granules in the hands of prof. Martyn Poliakoff
  10 KB (1,358 words) - 16:56, 2 November 2022
• Density
  | style="text-align:center;"| T<40 °C<ref>Handbook of Inorganic Compounds, Dale L. Perry, 1995, p. 112</ref> | style="text-align:center;"| BPO4<ref>Handbook of Inorganic Compounds, Dale L. Perry, 1995, p. 72</ref>
  174 KB (19,350 words) - 20:07, 13 March 2024
• Rhodium
  |below=[[Iridium|Ir]] As rhodium is extremely inert, rhodium can be isolated from its compounds with any reducing agent, however the amount obtained is low. It's best to s
  8 KB (1,088 words) - 20:32, 13 February 2020
• Rhenium
  ...ium's density (21.02 g/cm³) is only exceeded by [[platinum]], [[iridium]] and [[osmium]]. These properties make rhenium a valuable metal in the man Due to its rarity, it's best to recycle rhenium and its compounds as much as possible, instead of throwing it away.
  9 KB (1,230 words) - 14:46, 13 April 2021
• Topical Compendium: Elements
  ===Compounds=== ===Compounds===
  16 KB (1,869 words) - 16:27, 13 March 2024
• Powder
  ...[[iron]] is pyrophoric, while bulk iron is less reactive. [[Osmium]] and [[iridium]] are also a good example, in that they're very inert in their bulk form, b ...boron]], [[carbon]], [[phosphorus]], [[sulfur]], [[silicon]]), nonmetallic compounds (oxides, nitrides, carbides) are somewhat more reactive than in their bulk
  8 KB (1,217 words) - 18:13, 22 December 2022
• Crucible
  ...commonly used for melting various materials such as metals, glass, organic compounds, as well as for calcination and reactor for high temperature chemical react ===Iridium===
  4 KB (529 words) - 20:26, 14 August 2023
• Metalware
  ...s [[stainless steel]], [[nickel]], [[titanium]], [[platinum]], [[gold]], [[iridium]], etc. Plain [[steel]] items are also used, but due to its moderate chemic ...Crucibles made of refractory metals, such as [[tantalum]], [[tungsten]], [[iridium]] are commonly used in single-crystal growth techniques.
  13 KB (2,034 words) - 08:43, 5 May 2019
• Period
  ...krypton is the first of the noble gas elements that can form true chemical compounds at standard conditions. ...ium]], [[hafnium]], [[tantalum]], [[tungsten]], [[rhenium]], [[osmium]], [[iridium]], [[platinum]], [[gold]], [[mercury]], [[thallium]], [[lead]], [[bismuth]]
  5 KB (730 words) - 13:40, 9 January 2022