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download between 0-24 hoursReleased: 1994
ISO 3621:1994
ISO 3621:1994-Photography — Processing chemicals — Specifications for sodium tetraborate decahydrate
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| Standard´s number: | ISO 3621:1994 |
| Pages: | 3 |
| Edition: | 2 |
| Released: | 1994 |
| Language: | English |
DESCRIPTION
ISO 3621:1994
Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade sodium tetraborate decahydrat and specifies the tests to be used to determine the purity.