ISO 10349-6:1992
Photography — Photographic-grade chemicals — Test methods — Part 6: Determination of halide content
Photography — Photographic-grade chemicals — Test methods — Part 6: Determination of halide content
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 30 декабря 1992 г.
- Издание:
- ISO IS 10349 edition 1 version 1
- ICS:
- 37.040.30
The method is based on weighing the test portion, dissolution in water, transfer of a 20 ml aliquot in a beaker, pipetting halide standard A or B into a second beaker, adding nitric acid solution plus silver nitrate solution to each beaker, dilution with water, transfer of the treated solutions into separate Nessler colour-comparison cylinders, and observing the turbidity of the two solutions.
Abstract
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