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EN ISO 7393-2:2000

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)

Dec 29, 2001

General information

99.60 Withdrawal effective   Jan 31, 2018

CEN

CEN/TC 230 Water analysis

European Norm

13.060   Water quality

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Withdrawn

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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.

Related directives

Directives related to this standards.

98/83/EC

Quality of water intended for human consumption

Life cycle

NOW


EN ISO 7393-2:2000
99.60 Withdrawal effective
Jan 31, 2018

REVISED BY

PUBLISHED
EN ISO 7393-2:2018

Relations

Adopted from ISO 7393-2:1985 IDENTICAL