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sklademVydáno: 1995-03-15
BS ISO 423:1994
Photography. Processing chemicals. Specification for hydroquinone
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| Označení normy: | BS ISO 423:1994 |
| Počet stran: | 14 |
| Vydáno: | 1995-03-15 |
| ISBN: | 0 580 23917 9 |
| Status: | Standard |
Popis
BS ISO 423:1994
This standard BS ISO 423:1994 Photography. Processing chemicals. Specification for hydroquinone is classified in these ICS categories:
- 37.040.30 Photographic chemicals
This International Standard establishes criteria for the purity of photographic-grade hydroquinone and describes the tests to be used to determine the purity.