NORMSERVIS s.r.o.

STN 721922 (721922)

All grades of fluorspar. Determination of non-fluoride compounds of calcium. EDTA titrimetric method

NORM herausgegeben am 1.8.1992

Tschechisch -
Gedruckt (AUF ANFRAGE)

The information about the standard:

Designation standards: STN 721922
Classification mark: 721922
Catalog number: 68282
Publication date standards: 1.8.1992
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN

Annotation of standard text STN 721922 (721922):

Tato norma urcuje chelatometrickou metodu pro stanoveni nefluoridovych sloucenin vapniku ve vsech druzich kazivne. Metoda je vhodna pro kazivec s obsahem nefluoridovanych sloucenin vapniku vyjadrenym jako uhlicitan vapenaty (CaCO3) nad 0,01 proc.