1.1 This practice is used for the determination of total or available cyanide in solid waste, sediment and soil samples after alkaline extraction. Simple cyanide (CN^–) salts of group 1 and group 2 (alkali and alkaline earth) metals; soluble alkali and alkaline earth salts of zinc, copper, cadmium, mercury, nickel, silver, and iron cyanide complexes; and insoluble metal-metal cyanide complexes, such as Prussian blue, are quantitatively recovered. Gold, platinum group metals and cobalt cyanide complexes are not recovered during analysis.

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Published:

01/01/2020

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