ISO 7393-2:1985 PDF
Water quality — Determination of free chlorine and total chlorine — Part 2: Colorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes
Water quality — Determination of free chlorine and total chlorine — Part 2: Colorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 8
- Дата публикации:
- 24 октября 1985 г.
- Издание:
- ISO IS 7393 edition 1 version 1
- ICS:
- 13.060.50
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.
Технические детали
- Технический комитет
- ISO/TC 147/SC 2 - Physical, chemical and biochemical methods
- SKU
- ISO 7393-2:1985