Assertion: hydrocyanic acid | /r/HasProperty | obtained in addition
Facets:
value: from methane
type: OTHER
value: from ammonia
type: OTHER
Source sentences:
text: In addition, hydrocyanic acid can be obtained from ammonia and methane according to the method of the firm the SCA or by the reaction of Andrusov, and these methods of producing HCN are shown in Ullmann's Encyclopedia of Industrial Chemistry