…The reason why gold, platinum, etc. dissolve in aqua regia is due to the action of nascent chlorine. Aluminum, iron, chromium, etc. form a passive state on the surface and do not react, but they dissolve in dilute nitric acid. They form water-soluble salts with almost all metals. … *Some of the terminology explanations that mention "dilute nitric acid" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…王水に金,白金などが溶けるのはこの発生期の塩素の作用による。アルミニウム,鉄,クロムなどでは表面に不働態をつくって反応しないが希硝酸には溶ける。ほとんどすべての金属と水溶性の塩をつくる。… ※「希硝酸」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 |
Lineage belonging to a specific ancestor based on ...
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A politician of the Nara period. He was the son o...
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