ISO 3621:1994
Photography — Processing chemicals — Specifications for sodium tetraborate decahydrate
| Fecha edición: |
1994-12-08
En Vigor
|
|---|---|
| Idiomas disponibles: | Inglés |
| Resumen: | Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade sodium tetraborate decahydrat and specifies the tests to be used to determine the purity. |
| ICS: | 37.040.30 - Productos químicos fotográficos |
| CTN: | ISO/TC 42 - 48420 |
|
Anulaciones Normas |
Anula a ISO 3621:1976 |










