ISO-7393-2 › Historical Revision Information
Part 2: Colorimetric Method Using N,N-DIETHYL-1,4-Phenylenediamine, for Routine Control Pu
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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.
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13.060.50 (Examination of water for chemical substances)
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Document Number
ISO 7393-2:1985
Revision Level
1ST EDITION
Status
Superseded
Publication Date
Oct. 15, 1985
Committee Number
ISO TC 147/SC 2