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ISO 3299:1994 (R2021)
Photography — Processing chemicals — Specifications for 1-phenyl-3-pyrazolidinone
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Summary
Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade 1-phenyl-3-pyrazolidinone (phenidone) and specifies the test methods to be used to determine the purity.
Notes
90.93 : Norme internationale confirmée
Technical characteristics
| Publisher | International Organization for Standardization (ISO) |
| Publication Date | 11/03/1994 |
| Confirmation Date | 11/04/2021 |
| Edition | 2 |
| Page Count | 5 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
03/11/1994
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