ISO 7393-3:1990
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Water quality -- Determination of free chlorine and total chlorine -- Part 3: Iodometric titration method for the determination of total chlorine

This standard was last reviewed and confirmed* in 2012.

*Therefore this version remains current


Specifies a procedure for water. It is applicable for the measurement of concentrations, in terms of chlorine, from 0,01 to 0,21 mmol/l. The interfering substances are given. In annex B a procedure for direct titration is specified. It is usually applied to chlorine concentrations above 7 mol/l in treated drinking water.


  • Document published on: 1990-05-31
    Edition: 2 (Monolingual) ICS: 13.060.50
    Status: Published Stage: 90.93 (2012-04-04)
    TC/SC: ISO/TC 147/SC 2 Number of Pages: 7
  • Revises: ISO 7393-3:1986

  • No corrigenda or amendments available

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