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NS EN ISO 7393-2 Ed. 1 (2000)现行

Water Quality - Determination Of Free Chlorine And Total Chlorine - Part 2: Colorimetric Method Using N, N-diethyl-1, 4-phenylenediamine For Routine Control Purposes

出版：Norwegian Standards (Norges Standardiseringsforbund)

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基本信息

标准编号： NS EN ISO 7393-2 Ed. 1 (2000)

发布时间：2000/6/13 0:00:00

标准类别：Standard

出版单位：Norwegian Standards (Norges Standardiseringsforbund)

标准页数：0

标准简介

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.

标准备注

Supersedes NS 4729. (04/2008)

本标准替代的旧标准

NS 4729:1991

等同采用的国际标准

ISO 7393-2:1985 - Identical

UNE EN ISO 7393-2:2000 - Identical

I.S. EN ISO 7393-2:2000 - Identical

UNI EN ISO 7393-2:2002 - Identical

NF EN ISO 7393-2:2000 - Identical

NBN EN ISO 7393-2:2000 - Identical

NEN EN ISO 7393-2:2018 - Identical