Ammonia solution Methods for determination of chloride content

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Hardcopy , PDF

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English

Published date

31-08-1988

Publisher

British Standards Institution

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Applicable to ammonia solutions of concentrations within the range 25% to 35%, by mass. Two methods are described. The colorimetric method applies to products with chloride contents of not more than 150 mg/kg and the potentiometric method applies otherwise.

This Part of BS 4651 describes two methods for the determination of the chloride content of ammonia solution for industrial use.

The methods are applicable to solutions containing 25.0 % to 35.0 % (m/m) of ammonia.

Method 1 is a colorimetric method applicable to products having a chloride content of not more than 150 mg/kg.

Method 2 is a potentiometric method applicable to products having a chloride content of greater than 150 mg/kg.

NOTE The publications referred to in this standard are listed on the inside back cover.

Committee	CII/37
DevelopmentNote	Supersedes 87/51191 DC and BS 4651(1971) (08/2005) Reviewed and confirmed by BSI, December 2012. (11/2012)
DocumentType	Standard
Pages	10
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 4651:1971

BS 4651-0:1987	Ammonia solution Methods for sampling
BS 4651-1:1988	Ammonia solution Method for determination of density at 20°C
BS 6337-4:1984	General methods of chemical analysis Method for determination of chloride ions by potentiometry

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BS 4651-6:1988

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