BS 3448:1961

This standard BS 3448:1961 Specifications for ammonium chloride is classified in these ICS categories:

• 71.100.80 Chemicals for purification of water

Specifications are given for two types of material: Type A contains no deliberate additive, whereas Type B contains an anti-caking agent and is intended for uses where a non-caking material is required. Requirements and methods of test are included for water, total chloride, matter insoluble in water, sulphated ash and acidity or alkalinity. A limit test for trace impurities is also specified.