One method each for nitrite and nitrate and three of increasing sensitivity for ammonia. Distillation procedure for ammonia determination.
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BS 2690-7:1968
Original price was: $190.50.$95.00Current price is: $95.00.
Methods of testing water used in industry-Nitrite, nitrate and ammonia (free, saline and albuminoid)
BSI Group , 08/30/1968
Pages: 22


