Active standard | Published: 01/02/1993

STN ISO 5997

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

Available languages: Czech

Available design: Print design

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Detail information

Designation: STN ISO 5997

Publication date: 01/02/1993

Pages: 8

Country: Slovak technical standard

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Anotation

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).

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