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ISO 424:1994 PDF
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Photography — Processing chemicals — Specifications for anhydrous sodium carbonate and sodium carbonate monohydrate
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.
| Edition | 1994 |
|---|---|
| Published Date | 1994 |
| Published By | International Standardization Organisation |
| Page Count | 4 |
