NEN 6521 : 1991
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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WATER - PHOTOMETRIC DETERMINATION OF BORON CONTENT
Superseded date
13-06-2013
Published date
12-01-2013
Publisher
Specifies a method for the photometric determination of the boron content of water in drinking water and surface water. Applicable to water with a boron content of at least 0.01 mg/l.
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