ISO 420:1994
Current
The latest, up-to-date edition.
Photography — Processing chemicals — Specifications for potassium bromide —
Hardcopy , PDF
English
20-10-1994
Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade potassium bromide and specifies the test methods to be used to determine the purity.
| Committee |
ISO/TC 42
|
| DocumentType |
Standard
|
| Pages |
4
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| BS ISO 420:1994 | Identical |
| NEN ISO 420 : 1978 | Identical |
| IS 13106 : 2024 | Identical |
| I.S. ISO 5799:1991 | PHOTOGRAPHY - DIRECT-EXPOSURE MEDICAL AND DENTAL RADIOGRAPHIC FILM/PROCESS COMBINATIONS - DETERMINATION OF ISO SPEED AND AVERAGE GRADIENT |
| ISO 10349-8:2002 | Photography — Photographic-grade chemicals — Test methods — Part 8: Determination of volatile matter |
| ISO 10349-5:1992 | Photography — Photographic-grade chemicals — Test methods — Part 5: Determination of heavy metals and iron content |
| ISO 10349-6:1992 | Photography — Photographic-grade chemicals — Test methods — Part 6: Determination of halide content |
| ISO 10349-1:2002 | Photography — Photographic-grade chemicals — Test methods — Part 1: General |
| ISO 10349-7:1992 | Photography — Photographic-grade chemicals — Test methods — Part 7: Determination of alkalinity or acidity |
| ISO 10349-3:1992 | Photography — Photographic-grade chemicals — Test methods — Part 3: Determination of matter insoluble in ammonium hydroxide solution |
| ISO 10349-10:1992 | Photography — Photographic-grade chemicals — Test methods — Part 10: Determination of sulfide content |
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