ISO 424:1994
Photography — Processing chemicals — Specifications for anhydrous sodium carbonate and sodium carbonate monohydrate
| Edition date: |
1994-10-20
In Force
|
|---|---|
| Available languages: | English |
| Summary: | Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade anhydrous sodium carbonate and sodium carbonate monohydrate and specifies the test methods to be used to determine the purity. |
| ICS: | 37.040.30-Photographic chemicals |
| CTN: | ISO/TC 42 - 48420 |
|
Standards Cancellations |
Anula a ISO 424:1976 Anula a ISO 3942:1976 |










