NEN 6643 : 2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
WATER - DETERMINATION OF NITROGEN CONTENT AFTER UV DESTRUCTION BY CONTINUOUS FLOW ANALYSIS (CFA) AND SPECTROMETRIC DETECTION
12-08-2010
12-01-2013
Provides a method for the determination of the total content of nitrogen in ground, potable, surface and wastewater in mass concentration of 1 mg/l up to 40 mg/l in undiluted samples.
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