BS ISO 3622:1996
Current
The latest, up-to-date edition.
Photography. Processing chemicals. Specifications for ammonium thiocyanate
Hardcopy , PDF
English
15-02-1997
Defines methods for assessing and testing purity of photographic- grade ammonium thiocyanate.
| Committee |
CPW/42
|
| DevelopmentNote |
Supersedes 94/408987 DC Supersedes BS 3750(1978) (07/2004) Reviewed and confirmed by BSI, August 2016. (07/2016)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard establishes criteria for the purity of photographic-grade ammonium thiocyanate and specifies the test methods to be used to determine the purity.
| Standards | Relationship |
| ISO 3622:1996 | Identical |
| 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 10349-4:1992 | Photography — Photographic-grade chemicals — Test methods — Part 4: Determination of residue after ignition |
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