ISO 423:1994
Current
Current
The latest, up-to-date edition.
Photography Processing chemicals Specifications for hydroquinone
Available format(s)
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
Language(s)
English, French
Published date
21-04-1994
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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.
| DocumentType |
Standard
|
| Pages |
6
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| BS ISO 423:1994 | Identical |
| I.S. ISO 5799:1991 | PHOTOGRAPHY - DIRECT-EXPOSURE MEDICAL AND DENTAL RADIOGRAPHIC FILM/PROCESS COMBINATIONS - DETERMINATION OF ISO SPEED AND AVERAGE GRADIENT |
| ISO 10349-5:1992 | Photography — Photographic-grade chemicals — Test methods — Part 5: Determination of heavy metals and iron content |
| ISO 565:1990 | Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings |
| ISO 10349-1:2002 | Photography Photographic-grade chemicals Test methods Part 1: General |
| ISO 10349-4:1992 | Photography — Photographic-grade chemicals — Test methods — Part 4: Determination of residue after ignition |
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