ISO 3618:1994
Photography — Processing chemicals — Specifications for benzotriazole
Photography — Processing chemicals — Specifications for benzotriazole
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 3
- Дата публикации:
- 15 декабря 1994 г.
- Издание:
- ISO IS 3618 edition 2 version 1
- ICS:
- 37.040.30
Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade benzotriazole and specifies the tests to be used to determine the purity.
Abstract
Overview
ISO 3618:1994 - Photography - Processing chemicals - Specifications for benzotriazole defines purity criteria and test methods for photographic‑grade benzotriazole. This second edition (1994) cancels ISO 3618:1976 and establishes the analytical requirements laboratories and suppliers should use to confirm that benzotriazole supplied for photographic processing meets minimum quality needed to avoid undesirable photographic effects.
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