...In 1797, NL Vauquelin of France discovered it in Siberian crimsonite (main component PbCrO 4 ), and named it after the Greek word chrōma (color) because of the beautiful color of the compound. In 1854, RW Bunsen of Germany was the first to separate a small amount of the metal by electrolysis of an aqueous solution of chromium chloride (II) CrCl 2 , and in 1899, Hans Goldschmidt of Germany succeeded in obtaining relatively pure metallic chromium using the thermite method. It is widely distributed on Earth, but not in large quantities. ... *Some of the terminology that mentions "metallic chromium" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…1797年フランスのN.L.ボークランがシベリア産紅鉛鉱(主成分PbCrO4)中から発見し,その化合物の美しい色からギリシア語のchrōma(色)にちなんで命名した。1854年ドイツのR.W.ブンゼンは塩化クロム(II)CrCl2水溶液の電解ではじめて少量の金属単体を分離し,99年ドイツのゴルトシュミットHans Goldschmidtがテルミット法によって比較的純粋な金属クロムを得ることに成功した。地球上には広く分布しているが,存在量はあまり多くない。… ※「金属クロム」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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