ISO 10048:1991
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
13-03-2019
English, French
31-10-1991
Specifies a method for the determination of nitrogen present in water samples in the form of ammonium, nitrite, nitrate, and organic nitrogen compounds. Describes the principle, the apparatus, the sampling, the test procedure, the expression of results, and the contents of the test report.
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