IS 3025 : Part 27 : 1986 Methods of sampling and test (physical and chemical) for water and waste water - Part 27 : Cyanide

1 Scope

Prescribes two methods for determination of total cyanides inwater and waste waters. The total cyanides after distillationmethod prescribes the determination of total cyanides which distilover on treatment with sulphuric acid. This method is applicable tothe determination of cyanide in surface, waste and sea water. Themethod is suitable for cyanide concentration to a lower limit of 20mg/1. The selective electrode method is applicableto solution in the concentration range of 0.05 to 10 mg/1.