Codes et normes - Achat
ISO 3623:1994
Photography -- Processing chemicals -- Specifications for anhydrous potassium carbonate
SKU: iso_020287_109564
Publié par ISO
Année de publication 1994
2 Edition
5 pages
détails du produit
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.