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STN 721921 (721921)

All grades of fluorspar. Determination of calcium fluoride. EDTA titrimetric method

STANDARD published on 1.8.1992

Czech -
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The information about the standard:

Designation standards: STN 721921
Classification mark: 721921
Catalog number: 68281
Publication date standards: 1.8.1992
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN

Annotation of standard text STN 721921 (721921):

Tato norma urcuje chelatometrickou metodu pro stanoveni fluoridu vapenateho ve vsech beznych druzich kazevce.