ISO 3625:1994
Photography; processing chemicals; specifications for potassium hydroxide

Standard No.

ISO 3625:1994

Release Date

1994

Published By

International Organization for Standardization (ISO)

Latest

ISO 3625:1994

Scope

Establishes criteria for the purity and describes the test methods for heavy metals content, iron content, halides, carbonate, appearance of solution.

ISO 3625:1994 history

• 1994 ISO 3625:1994 Photography; processing chemicals; specifications for potassium hydroxide
• 1976 ISO 3625:1976 Photographic grade potassium hydroxide; Specification