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Photography — Processing chemicals — Specifications for hydroquinone
Automatically translated name:
Photography -- Processing chemicals -- Specifications for hydroquinone
STANDARD published on 21.4.1994
Designation standards: ISO 423:1994-ed.2.0
Publication date standards: 21.4.1994
SKU: NS-432029
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Category: Technical standards ISO
Description / Abstract: Establishes criteria for the purity and describes the test methods for identity tests, residue after ignition, heavy metals content, iron content, appearance of solution. Annex A describes preparation of the standard ammonium cerium(IV) hexanitrate solution.
14.11.2002
30.12.1992
30.12.1992
30.12.1992
30.12.1992
30.12.1992
Latest update: 2025-11-18 (Number of items: 2 245 606)
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