NEN 6441 : 1979
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 - DETERMINATION OF TOTAL HARDNESS AND CALCIUM AND MAGNESIUM CONTENT
Published date
12-01-2013
Publisher
Superseded date
04-01-2005
Superseded by
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Explains a titrimetric method to determine the total hardness and the content of calcium and magnesium ions in water. Applies to any kind of water with a total hardness of at least 5 micro mol/l (0,01 mg/l), a calcium content of at least 1 mg/l and a magnesium content of at least 1 mg/l. However this method is not suitable for waste water.
| DocumentType |
Standard
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| PublisherName |
Netherlands Standards
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| Status |
Superseded
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| SupersededBy |
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