BS ISO 420:1994
Current
The latest, up-to-date edition.
Photography. Processing chemicals. Specifications for potassium bromide
Hardcopy , PDF
English
15-03-1995
Important note : Users cannot be edited or removed once added to your Multi user PDF.Establishes criteria for the purity of photographic grade potassium bromide. Also specifies the test methods to be used to determine the purity. Coverage includes: physical properties, hazardous properties, storage, apparatus, procedure, iron content, halide content, alkalinity, and reagents and glassware.
| Committee |
CPW/42
|
| DevelopmentNote |
Supersedes 92/38218 DC and BS 3307(1978). (03/2005) Reviewed and confirmed by BSI, August 2016. (07/2016)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard establishes criteria for the purity of photographic-grade potassium bromide and specifies the test methods to be used to determine the purity.
| Standards | Relationship |
| ISO 420:1994 | Identical |
| 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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