ISO 423:1994
ISO 423:1994 Photography – Processing chemicals – Specifications for hydroquinone
CDN $82.00
Description
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.
Edition
2
Published Date
1994-04-21
Status
PUBLISHED
Pages
6
Language
English
Format
Secure PDF
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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.
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