Abstract / scope
Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade anhydrous potassium carbonate and specifies the tests to be used to determine the purity.
ISO 3623:1994Published
Photography — Processing chemicals — Specifications for anhydrous potassium carbonate
Photographie — Produits chimiques de traitement — Spécifications pour le carbonate de potassium anhydre