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Norm

ÖNORM M 6254

Issue date: 1998 10 01

Plants for softening of drinking water by ion exchangers

In dieser ÖNORM werden nur solche Enthärtungsanlagen behandelt, die mittels Ionenaustausches arbeiten. Andere Verfahren, wie chemische Stabilisierung und physikalische Wa...
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Withdrawn : 2007 08 01
In dieser ÖNORM werden nur solche Enthärtungsanlagen behandelt, die mittels Ionenaustausches arbeiten. Andere Verfahren, wie chemische Stabilisierung und physikalische Wasserbehandlung sind nicht Gegenstand dieser ÖNORM, da sie keine Enthärtung im Sinne dieser ÖNORM darstellen. Im Zuge der Enthärtung darf die mikrobiologische Qualität des Trinkwassers nicht vermindert werden. Diese ÖNORM behandelt Anforderungen, Auslegung, Betrieb und Überwachung von Enthärtungsanlagen für den Trinkwasserbereich, die mittels Ionenaustauschern arbeiten und die bestimmungsgemäß mit Natriumchlorid regeneriert werden. Zweck des Einsatzes von Enthärtungsanlagen ist die Verhinderung oder Verringerung von Steinbildung (im wesentlichen Kalksteinbildung) in den nachgeschalteten Installationen. Diese ÖNORM ist nicht auf in Geschirrspülern und sonstigen Haushaltsgeräten eingebaute Enthärtungsanlagen anzuwenden. In dieser ÖNORM werden Enthärtungsanlagen behandelt, die vorwiegend für die Enthärtung von Einzelwasserversorgungsanlagen dienen, sowie Enthärtungsanlagen, die öffentliche Leitungswässer auf seiten der Abnehmer behandeln.
ÖNORM M 6254
2007 08 01
Softening plants with ion exchangers for treatment of drinking water - Complementary specifications ...
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Issue date : 1986 09 01
Water analysis; determination of nitrate; 2,6-dimethylphenol spectrometric method
Norm
ÖNORM M 6238-2
Issue date : 1986 09 01
Water analysis; determination of nitrate; 4-fluorophenol spectrometric method after destillation
Norm
ÖNORM M 6260
Issue date : 1989 09 01
Water quality; determination of iron; spectrometric method using 1,10-phenanthroline
Norm
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Issue date : 2004 01 01
Water analysis - Determination of calcium by complexometric method
Norm
ÖNORM M 6268
Issue date : 2004 01 01
Water analysis - Determination of the sum of calcium and magnesium by compexometric method
Norm
ÖNORM M 6289
Issue date : 1991 05 01
Water quality - Determination of chloride - Silver nitrate titration with chromate indicator (Mohr's method)
Norm
ÖNORM M 6603-1
Issue date : 1997 05 01
Water analysis - Determination of potassium and sodium by atomic absorption spectrometry
Norm
ÖNORM M 6603-2
Issue date : 1997 05 01
Water analysis - Determination of potassium and sodium by flame emission spectrometry
Norm
ÖNORM M 6254
Issue date : 2007 08 01
Softening plants with ion exchangers for treatment of drinking water - Complementary specifications concerning ÖNORM EN 14743