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BS 4651-4:1988
M00000431
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BS 4651-4:1988 Ammonia solution. Method for determination of residue after heating at 850 degreesC
standard by BSI Group, 08/31/1988
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Applicable to ammonia solutions of concentrations within the range 25% to 35%, by mass, and with a residue after heating of not less than 3 mg/kg.Cross References:
BS 1792
BS 3978
BS 4651:Part 0
BS 4651:Part 1