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download between 0-24 hoursReleased: 1994
ISO 3620:1994
ISO 3620:1994-Photography — Processing chemicals — Specifications for aluminium potassium sulfate
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| Standard´s number: | ISO 3620:1994 |
| Pages: | 4 |
| Edition: | 2 |
| Released: | 1994 |
| Language: | English |
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.