720006

ISO 7393-2:1985

Water quality - Determination of free chlorine and total chlorine - Part 2 : Colorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes

standard by International Organization for Standardization , 10/01/1985

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Full Description

Specifies a procedure for water, readily applicable to field testing; it is based on measurement of the colour intensity by visual comparison of the colour with a scale of standards which is regularly calibrated. Sea water and waters containing bromides and iodides comprise a group for which special procedures are required. The procedure is applicable to concentrations, in terms of chlorine, from 0,000 4 to 0,07 mmol/l total chlorine and at higher concentrations by dilution of samples. Interferences of the procedure are noted.

 

Product Details

Published:
10/01/1985
Number of Pages:
8
File Size:
1 file , 630 KB
Same As:
BS EN ISO 7393-2:2000
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. ISO 7393-2:2017


    Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes

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  2. ISO 7393-2:1985

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    Water quality - Determination of free chlorine and total chlorine - Part 2 : Colorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes

    • Historical Version