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NEN EN ISO 7393-2:2000被替代

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

出版：Nederlands Normalisatie Instituut

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基本信息
標(biāo)準(zhǔn)編號(hào)： NEN EN ISO 7393-2:2000
發(fā)布時(shí)間：2000/2/1 0:00:00
標(biāo)準(zhǔn)類別：Standard
出版單位：Nederlands Normalisatie Instituut
標(biāo)準(zhǔn)頁(yè)數(shù)：8
標(biāo)準(zhǔn)簡(jiǎn)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(biāo)準(zhǔn)的新標(biāo)準(zhǔn)

NEN EN ISO 7393-2:2018

等同采用的國(guó)際標(biāo)準(zhǔn)

DIN EN ISO 7393-2 (2000-04) - Identical

NS EN ISO 7393-2 Ed. 1 (2000) - Identical

UNE EN ISO 7393-2:2000 - Identical

ONORM EN ISO 7393-2:2000 - Identical

NBN EN ISO 7393-2:2000 - Identical

NF EN ISO 7393-2:2000 - Identical

UNI EN ISO 7393-2:2002 - Identical

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

EN ISO 7393-2:2017 - Identical

BS EN ISO 7393-2:2000 - Identical

SN EN ISO 7393-2:2000 - Identical

SS EN ISO 7393-2 Ed. 1 (2000) - Identical

ISO 7393-2:1985 - Identical