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NEN 6549 : 1988

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 FOR BOILER PLANTS - PHOTOMETRIC DETERMINATION OF TOTAL HARDNESS

Withdrawn date

12-12-2011

Published date

12-01-2013

Describes a method for the photometric determination of the total hardness of water in boiler plants. Applicable to any kind of water in boiler plants with a total hardness of at least 1,25 [mu] mol/l and at most 10 [mu] mol/l.

DevelopmentNote
Supersedes NEN 3130. (10/2002)
DocumentType
Standard
PublisherName
Netherlands Standards
Status
Withdrawn
Supersedes

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