ISO 3618:1994 PDF
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 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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