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DS 223

EN= Water analysis - Determination of the sum of nitrite-and nitrate-nitrogen

inactive
Organization: DS
Publication Date: 1 January 1975
Status: inactive
scope:

This standard describes a method for determination of the su m of nitrite-and nitratenitrogen

Document History

DS 223
July 8, 1991
Water analysis - Determination of the sum of nitrite- and nitrate-nitrogen
The standard describes a method for determination of the sum of nitrite- and nitratenitrogen.
DS 223
January 1, 1975
EN= Water analysis - Determination of the sum of nitrite-and nitrate-nitrogen
This standard describes a method for determination of the su m of nitrite-and nitratenitrogen
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