ISO 5990:1983
Photographic grade potassium sulfite, 650 g/l aqueous solution; Specification

Standard No.

ISO 5990:1983

Release Date

1983

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Replace By

ISO 5990:1996

Latest

ISO 5990:2000

ISO 5990:1983 history

• 2000 ISO 5990:2000 Photography - Processing chemicals - Specifications for potassium sulfite, 650 g/l solution
• 1996 ISO 5990:1996 Photography - Processing chemicals - Specifications for potassium sulfite, 650 g/l aqueous solution
• 1983 ISO 5990:1983 Photographic grade potassium sulfite, 650 g/l aqueous solution; Specification