NEN 6539 : 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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
WATER IN BOILER PLANTS - DETERMINATION OF SUSPENDED CONSTITUENTS, DISSOLVED SOLIDS AFTER DRYING AND THEIR ASH CONTENT
12-12-2011
12-01-2013
Deze norm beschrijft een methode voor de gravimetrische bepaling van het gehalte aan zwevende bestanddelen en van de indamprest van water in het ketelbedrijf, alsmede van de gloeiresten hiervan. De norm is van toepassing op water in het ketelbedrijf, dat aan zwevende bestanddelen ten minste 10 mg/l of aan indamprest ten minste 100 mg/l bevat.
| DevelopmentNote |
Supersedes NEN 3130. (10/2002)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Withdrawn
|
| Supersedes |
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