BS 3448:1961
Specifications for ammonium chloride
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.
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