ISO 3617:1994 PDF
Photography — Processing chemicals — Specifications for sodium hydroxide
Photography — Processing chemicals — Specifications for sodium hydroxide
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 5
- Дата публикации:
- 15 декабря 1994 г.
- Издание:
- ISO IS 3617 edition 2 version 1
- ICS:
- 37.040.30
Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade sodium hydroxide and specifies the tests to be used to determine the purity.
Abstract
Overview
ISO 3617:1994 - Photography - Processing chemicals - Specifications for sodium hydroxide is the second edition (1994) International Standard that replaces . It establishes for photographic‑grade sodium hydroxide (NaOH) used in photographic processing. The standard defines chemical and physical requirements, test procedures, sampling guidance and safety/handling notes to ensure reagent suitability for photographic applications.
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