This International Standard establishes criteria for the purity of photographic-grade potassium hydroxide (DANGER: <>) and describes the tests to be used to determine the purity.
note:1) Hazard warning codes are defined in ISO 10349-1:1992, clause 4.
BS ISO 3625:1994 history
1995BS ISO 3625:1995 Photography. Processing chemicals. Specifications for potassium hydroxide
1995BS ISO 3625:1994 Photography - Processing chemicals - Specifications for potassium hydroxide