NORMSERVIS s.r.o.

STN 722041-19 (722041)

Chemical analysis of steel-making slag. Determination of total sulphur content

STANDARD published on 1.8.1992

Czech -
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The information about the standard:

Designation standards: STN 722041-19
Classification mark: 722041
Catalog number: 68324
Publication date standards: 1.8.1992
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Category: Technical standards STN

Annotation of standard text STN 722041-19 (722041):

Tato norma urcuje spalovaci metodu s titracnim zakoncenim pro stanoveni celkove siry. Pri provadeni rozboru musi byt dodrzeny vseobecne pozadavky stanovene v CSN 72 2041-1. Vzorek se spaluje pri teplote 1 350 |stupnu| C v proudu vzduchu v pritomnosti medi jako spalovaci prisady. Tim se sira obsazena ve strusce prevadi na oxid siricity, ktery se absorbuje ve vode a prubezne titruje odmernym roztokem jodu na skrob jako indikator.