ISO 423:1994
Photography — Processing chemicals — Specifications for hydroquinone
OVERVIEW
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.
COMMENTS
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PRODUCT DETAILS
| Status | Current |
|---|---|
| Edition | 1994 |
| No. of Pages | 6 |
| ICS Classification | 37.040.30 Photographic chemicals |
| Committee | ISO/TC 42 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |