BS 6068-2.36:1989 Water quality. Physical, chemical and biochemical methods. Spectrometric method for the determination of nitrate using sulphosalicylic acid
Applicable to raw and potable water samples containing nitrate nitrogen from about 0.01 mg/l to 0.2 mg/l using a test portion of 25 ml.
BS 6068-2.36:1989 history
1989BS 6068-2.36:1989 Water quality. Physical, chemical and biochemical methods. Spectrometric method for the determination of nitrate using sulphosalicylic acid