STN ISO 5997 (441580)

Chromium ores and concentrates. Determination of silicon content. Molecular absorption spectrometric method and gravimetric method

STANDARD published on 1.2.1993

Czech -
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The information about the standard:

Designation standards: STN ISO 5997
Classification mark: 441580
Catalog number: 63238
Publication date standards: 1.2.1993
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 ISO 5997 (441580):

Tato mezinarodni norma urcuje nasledujici metody pro stanoveni obsahu kremiku v chromovych rudach a koncentratech: - metoda A: spektrofotometricka metoda pouzitelna pro rudy a koncentraty s obsahy kremiku od 0,05 procenta (m/m) do 0,5 procenta (m/m); - metoda B: vazkova metoda pouzitelna pro rudy a koncentraty s obsahy kremiku od 0,5 procenta (m/m) do 15 procent (m/m).