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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

Standard Details

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 StandardDetails 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.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 7393-2:1985
Document Year: 1985
Pages: 8
Edition: 1
  • ICS:
  • 13.060.50 Examination of water for chemical substances

Life Cycle

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WITHDRAWN
ISO 7393-2:1985
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