…In the presence of air or oxygen, the aqueous solution dissolves gold and silver, forming cyanide complexes. In industry, molten sodium is reacted with ammonia at 300-400°C to produce sodium amide, which is then reacted with carbon to produce sodium cyanamide, which is then heated to 700°C to convert it into sodium cyanide (Castner process). It can also be produced by the reaction of hydrocyanic acid and sodium hydroxide. … *Some of the terminology that refers to the "Castner process" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…水溶液は空気または酸素の共存で金および銀を溶解し,シアノ錯塩をつくる。 工業的には,溶融ナトリウムに300~400℃でアンモニアを作用させてナトリウムアミドをつくり,これを炭素と反応させてナトリウムシアナミドとし,さらに700℃に熱してシアン化ナトリウムに変える(カストナー法Castner process)。シアン化水素酸と水酸化ナトリウムの作用でもつくられる。… ※「Castner process」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 |
<<: Castor canadensis (English spelling) Castorcanadensis
...The performances at Gunthang Monastery on the ...
…In the collision of quantum mechanical particles...
...A general term for a group of folk tales belon...
…It is found in the Trichotoptera, which pupate i...
Living-dining-kitchen is an abbreviation used to d...
…They breed in the Andean lakes from Peru to sout...
To steal something from someone. [Synonyms] theft,...
Year of death: 17th December 1670 (7th February 16...
...The route ran from Suruga Yokobashiri Station ...
A social plan that aims to unlock the potential o...
China's largest publishing company during the ...
…From around the time of World War II, he openly ...
…Eurydice, who became the wife of Orpheus, and Da...
"What Sinarkism wants is a homeland for the ...
…Also, some games that are said to have originate...