Cyanidation process
|
For example, the following reaction occurs: The smelting method of gold and silver ores using a dilute solution of cyanide such as sodium cyanide (NaCN) as a solvent has been widely used for a long time as the cyanidation process. This is due to the following reaction: 4Au + O 2 + 8CN - + 2H 2 O - → 4Au(CN) 2 - + 4OH - 4Ag + O 2 + 8CN - + 2H 2 O - → 4Ag(CN) 2 - + 4OH - . *Some of the terminology that refers to the "cyanidation process" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
|
…例えば，のようなぐあいである。 シアン化ナトリウムNaCNなどのシアン化合物の希薄溶液を溶媒とする金･銀鉱の製錬法は青化製錬法cyanidation processとして古くから広く行われている。これらは， 4Au＋O2＋8CN－＋2H2O ―→4Au(CN)2－＋4OH－ 4Ag＋O2＋8CN－＋2H2O ―→4Ag(CN)2－＋4OH－の反応による。… ※「cyanidation 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 |
Recommend
Album
… As Augustine wrote in The City of God, astrolog...
Enhanced Radiation Warhead
...A nuclear weapon that increases the proportion...
Uesugi Masatora
...In addition, when Kanto Kanrei Uesugi Norimasa...
Atagawa Banana and Crocodile Garden
...In addition, a resort condominium built with T...
Grants-in-Aid for Scientific Research
Research grants provided by the Ministry of Educat...
Borrelia
…It is also called relapsing fever. It is an infe...
Yamburg
...It is estimated that there are a total of 13 t...
Yuasa [town] - Yuasa
A town in the Arida district in western Wakayama P...
Right and Left - Right and Left
It is impossible to define right or left absolutel...
Seeck, O. (English spelling) SeeckO
...The use of natural science methods from the la...
Toyabe Shuntei
Year of death: December 21, 1908 (Meiji 41) Year o...
Daughter of Fujiwara no Shunzei - Daughter of Fujiwara no Shunzei
A poet of the early Kamakura period. She was Shun...
childhood schizophrenia
…E. Minkowski, in particular, developed the idea ...
Lewisia - Lewisia
A hardy perennial plant of the Portulacaceae fami...
Dental alloys
Alloys used to repair teeth. Metal materials are u...