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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

Oct 24, 1985
95.99   Withdrawal of Standard   Dec 13, 2017

General information

95.99     Dec 13, 2017

ISO

ISO/TC 147/SC 2

International Standard

13.060.50  

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Scope

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.

Life cycle

NOW

WITHDRAWN
ISO 7393-2:1985
95.99 Withdrawal of Standard
Dec 13, 2017

REVISED BY

PUBLISHED
ISO 7393-2:2017

National adoptions

SRPS ISO 7393-2:1994  
ISS

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

95.99   Withdrawal of Standard

H147 more

SRPS EN ISO 7393-2:2009  
ISS

Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N, N-diethyl-1, 4-phenylenediamine, for routine control purposes (ISO 7393-2:1985)

95.99   Withdrawal of Standard

H147 more