NEN-ISO 420
Photography - Potassium bromide, photographic grade - Specification
inactive, Most Current
| Organization: | NEN |
| Publication Date: | 1 April 1978 |
| Status: | inactive |
| ICS Code (Photographic chemicals): | 37.040.30 |
scope:
This International Standard specifies the purity requirements of, and test methods for, photographic grade potassium bromide.
Document History
NEN-ISO 420
April 1, 1978
Photography - Potassium bromide, photographic grade - Specification
This International Standard specifies the purity requirements of, and test methods for, photographic grade potassium bromide.