NEN NPR 6546 : 1988
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 BOILERPLANTS - ROUTINE DETERMINATION OF P- AND M-NUMBER
12-12-2011
12-01-2013
Gives directives for the routine determination of the p- and m-numbers of water in boiler plants. Applicable to any kind of water found in boiler plants, where the determination of the p-number and/or the m-number is relevant for the management: boiler water; boiler supply water.
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