ISO 7393-2:1985
Withdrawn
View Superseded by
Water quality — Determination of free chlorine and total chlorine — Part 2: Colorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes
Hardcopy , PDF
English, French
10-24-1985
04-09-2025
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.
| Committee |
ISO/TC 147/SC 2
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| BS EN ISO 7393-2:2000 | Identical |
| DIN EN ISO 7393-2:2000-04 | Identical |
| PN ISO 7393-2 : 1997 | Identical |
| BS 6068-2.26(1986) : 1986 AMD 10870 | Identical |
| NEN EN ISO 7393-2 : 2018 | Identical |
| UNE-EN ISO 7393-2:2000 | Identical |
| JIS K 0400-33-20:1999 | Identical |
| I.S. EN ISO 7393-2:2018&LC:2018 | Identical |
| NS EN ISO 7393-2 : 2018 | Identical |
| DIN 38408-4:1984-06 | Corresponds |
| EN ISO 7393-2:2018 | Identical |
| NFT 90 038 : 1987 | Similar to |
| NF EN ISO 7393-2 : 2018 | Identical |
| PN EN ISO 7393-2 : 2018 | Identical |
| NBN EN ISO 7393-2 : 2000 | Identical |
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