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Ammonium nitrate -- Methods for determination of chloride content
This Part of BS 4267 describes two methods for determination of the chloride content of ammonium nitrate for industrial use.
Clause 2 describes a colorimetric method, which is applicable to products having chloride contents of not more than 150 mg/kg.
Clause 3 describes a potentiometric method, which is applicable to products having chloride contents greater than 150 mg/kg.
NOTE The titles of the publications referred to in this standard are listed on the inside back cover.
Colorimetric method applies to chloride contents not greater than 150 mg/kg.
Potentiometric method applies to chloride contents greater than 150 mg/kg and refers substantially to BS 6337-4, possession of which is essential.
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