ISO 418:2001
Photography — Processing chemicals — Specifications for anhydrous sodium sulfite
| Edition date: |
2001-12-20
In Force
|
|---|---|
| Available languages: | English |
| Summary: | This International Standard establishes criteria for the purity of photographic-grade anhydrous sodium sulfite and specifies the tests to be used to determine the purity. |
| ICS: | 37.040.30-Photographic chemicals |
| CTN: | ISO/TC 42 - 48420 |
|
Standards Cancellations |
Anula a ISO 418:1994 |
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