The procedure is applicable to the analysis of potable water, and most raw and waste waters. Application to excessively coloured or saline waters shall be preceded by distillation. An ammonium nitrogen concentration of up to 1 mg/l, using the maximum test portion of 40 ml, can be determined. Much higher concentrations can be determined by taking smaller test portions.
Status: PublishedPublication date: 1984-05
Edition: 1Number of pages: 7
Technical Committee: ISO/TC 147/SC 2 Physical, chemical and biochemical methods
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