BS 2690-7:1968
Withdrawn
Date published:
Methods of testing water used in industry, Nitrite, nitrate and ammonia (free, saline and albuminoid)
One method each for nitrite and nitrate and three of increasing sensitivity for ammonia. Distillation procedure for ammonia determination.
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13.060.50 Examination of water for chemical substances
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BS 2690-7:1968
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