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. To be read in conjunction with BS 4651-0, BS 6337-4
BS 4651-6:1988 history
0000 BS 4651-6:1988(1999)
1988BS 4651-6:1988 Ammonia solution - Methods for determination of chloride content