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NBN EN ISO 7393-2:2000现行

WATER - BEPALING VAN HET CHLOORGEHALTE EN HET TOTALE CHLOORGEHALTE - DEEL 2 - COLORIMETRISCHE METHODE MET GEBRUIK VAN N, N-DIETHYL-1, 4-FENYLEENDIAMINE VOOR ROUTINECONTROLES

出版:Belgian Standards

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基本信息
标准编号: NBN EN ISO 7393-2:2000
发布时间:2000/8/1 0:00:00
标准类别:Standard
出版单位:Belgian Standards
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.