ISO 5990:2000

Photography — Processing chemicals — Specifications for potassium sulfite, 650 g/l solution
This International Standard establishes criteria for the purity of photographic-grade potassium sulfite, 650 g/I aqueous solution, and specifies the tests to be used to determine the purity.
SDO:
ISO
Language:
English
ICS Codes:
37.040.30
Status:
Published
Publish date:
2000-12-20
Standard Number:
ISO 5990:2000