BS ISO 5990:2002
Photography - Processing chemicals - Specifications for potassium sulfite, 650 g/l solution

Standard No.

BS ISO 5990:2002

Release Date

2002

Published By

British Standards Institution (BSI)

Latest

BS ISO 5990:2002

Replace

99/703574 DC:1999 BS ISO 5990:1997

Scope

This International Standard establishes criteria for the purity of photographic-grade potassium sulfite, 650 g/l aqueous solution, and specifies the tests to be used to determine the purity.

BS ISO 5990:2002 history

• 2002 BS ISO 5990:2002 Photography - Processing chemicals - Specifications for potassium sulfite, 650 g/l solution
• 2002 BS ISO 5990:2000 Photography. Processing chemicals. Specifications for potassium sulfite, 650 g/l solution