ISO 3625:1994
Photography — Processing chemicals — Specifications for potassium hydroxide
Photography — Processing chemicals — Specifications for potassium hydroxide
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Photography — Processing chemicals — Specifications for potassium hydroxide
Establishes criteria for the purity and describes the test methods for heavy metals content, iron content, halides, carbonate, appearance of solution.
| Edition | 1994 |
|---|---|
| Published Date | 1994 |
| Published By | International Standardization Organisation |
| Page Count | 4 |