NEN-ISO 3629
Photography - Processing chemicals - Specifications for potassium metabisulfite
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 February 2001 |
| Status: | active |
| Page Count: | 18 |
| ICS Code (Photographic chemicals): | 37.040.30 |
scope:
Establishes criteria for the purity of photographic-grade potassium metabisulfite and specifies the tests to be used to determine the purity.
Document History
NEN-ISO 3629
February 1, 2001
Photography - Processing chemicals - Specifications for potassium metabisulfite
Establishes criteria for the purity of photographic-grade potassium metabisulfite and specifies the tests to be used to determine the purity.
December 1, 1977
Photography - Photographic grade potassium metabisulphite - Specification
A description is not available for this item.