BS 3448:1961
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specifications for ammonium chloride
Hardcopy
23-07-2013
English
07-07-1965
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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