ISO 3620:1994
Withdrawn
Title missing - Legacy paper document
Hardcopy , PDF
English
01-01-1994
04-09-2025
Establishes criteria for the purity of photographic-grade aluminium potassium sulfate dodecahydrate, AlK(SO4)2·12H2O, and specifies the tests to be used to determine the purity.
| Committee |
ISO/TMBG
|
| DocumentType |
Standard
|
| Pages |
1
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| Supersedes |
| Standards | Relationship |
| BS ISO 3620:1994 | Identical |
| NEN ISO 3620 : 1977 | 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 10349-1:2002 | Photography — Photographic-grade chemicals — Test methods — Part 1: General |
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