Active
, Confirmed
Standard
Most Recent
ISO 422:1994 (R2021)
Photography — Processing chemicals — Specifications for p-methylaminophenol sulfate
Preview
Summary
Cancels and replaces the first edition (1976). Lays down criteria for the purity of photographic-grade p-methylaminophenol sulfate 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 | 10/20/1994 |
| Confirmation Date | 11/08/2021 |
| Edition | 2 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
No products.
Previous versions
20/10/1994
Active
, Confirmed
Most Recent