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sklademVydáno: 1994-12-15
ISO 3620:1994
ISO 3620:1994 - Photography — Processing chemicals — Specifications for aluminium potassium sulfate
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| Označení normy: | ISO 3620:1994 |
| Vydání: | 2 |
| Vydáno: | 1994-12-15 |
| Počet stran (Anglicky): | 4 |
DESCRIPTION
ISO 3620:1994
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.