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UNI EN ISO 7393-2:2002被替代

Water Quality - Determination Of Free Chlorine And Total Chlorine - Colorimetric Method Using N,n-diethyl-1,4-phenylenediamine For Routine Control Purposes

出版:Italian Standards

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基本信息
標準編號: UNI EN ISO 7393-2:2002
標準類別:Standard
出版單位:Italian Standards
標準頁數:0
標準簡介

Defines a procedure for the determination of free chlorine and total chlorine in water, readily applicable to field testing. Based on measurement of colour intensity by visual comparison of the colour with a standards scale that is regularly calibrated. Special methods are required for sea water and waters containing iodides and bromides.

替代本標準的新標準

UNI EN ISO 7393-2 : 2018