Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
C01C3/02—Preparation, separation or purification of hydrogen cyanide
C01C3/0262—Preparation, separation or purification of hydrogen cyanide from cyanides
C01C3/0287—Preparation, separation or purification of hydrogen cyanide from cyanides from simple or complex cyanides of other transition metals, e.g. from iron cyanides
Verfahren zum Gewinnen von Metallen, insbesondere Zink aus einem Metallabfall, der Chloride und/oder andere Halogenide und andere unerwünschte Metallsalze, insbesondere Nitrate oder Phosphate bildende Anionen enthält