Codes et normes - Achat
ISO 424:1994
Photography -- Processing chemicals -- Specifications for anhydrous sodium carbonate and sodium carbonate monohydrate
SKU: iso_004434_100771
Publié par ISO
Année de publication 1994
2 Edition
4 pages
détails du produit
Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade anhydrous sodium carbonate and sodium carbonate monohydrate and specifies the test methods to be used to determine the purity.