SS-EN ISO 7393-2 : 2018現行
Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017)
出版：Standardiserings-Kommissionen I Sverige
專家解讀視頻
ISO 7393-2:2017 specifies a method for the determination of free chlorine and total chlorine in water, readily applicable to lab- and field-testing.
ISO 7393-2 : 2017 - Identical
EN ISO 7393-2 : 2018 - Identical
EN ISO 7393-2 : 2018 - Identical
ISO 7393-2 : 2017 - Identical
