NORMSERVIS s.r.o.

ISO 424:1994-ed.2.0

Photography — Processing chemicals — Specifications for anhydrous sodium carbonate and sodium carbonate monohydrate

NORMA vydána dne 20.10.1994

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The information about the standard:

Designation standards: ISO 424:1994-ed.2.0
Publication date standards: 20.10.1994
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: International technical standard
Kategorie: Technické normy ISO

Annotation of standard text ISO 424:1994-ed.2.0 :

Description / Abstract: 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.