ISO 7393-2:1985
ISO 7393-2:1985


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.

General information 

  •  :  Withdrawn
     : 1985-10
  •  : 1
     : 8
  •  : ISO/TC 147/SC 2 Physical, chemical and biochemical methods
  •  :
    13.060.50 Examination of water for chemical substances

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