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单词 potassium cyanide
释义

Definition of potassium cyanide in English:

potassium cyanide

noun
Chemistry
  • An extremely poisonous solid, KCN, used in gold and silver extraction and other metallurgical processes, and as a reducing agent in chemical analysis.

Origin

Mid 19th century; earliest use found in Henry Roscoe (1833–1915), chemist and university administrator.

 
 

Definition of potassium cyanide in US English:

potassium cyanide

noun
Chemistry
  • An extremely poisonous solid, KCN, used in gold and silver extraction and other metallurgical processes, and as a reducing agent in chemical analysis.

Origin

Mid 19th century; earliest use found in Henry Roscoe (1833–1915), chemist and university administrator.

 
 
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更新时间:2024/12/23 15:44:56