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ISO 5997:1984

Chromium ores and concentrates — Determination of silicon content — Molecular absorption spectrometric method and gravimetric method
1. 11. 1984.

Опште информације

90.93     25. 3. 2022.

ISO

ISO/TC 132

Međunarodni standard

73.060.30  

francuski   engleski  

Kupovina

Objavljen

Jezik na kome želite da primite dokument.

Apstrakt

The molecular absorption spectrometric method (A) is applicable to products having silicon contents from 0,05 to 0,5 % (m/m), the gravimetric method (B) is applicable to products having silicon contents from 0,5 to 15 % (m/m). ISO 5997 should be read in conjunction with ISO 4297. Specifies among other things principle, reagents, apparatus, procedure, spectrometric measurement (method A only) and expression of results.

Životni ciklus

TRENUTNO

OBJAVLJEN
ISO 5997:1984
90.93 Odluka o potvrđivanju standarda
25. 3. 2022.

Nacionalna preuzimanja

SRPS B.G8.305:1988  
ISS

Rude i koncentrati - Rude i koncentrati hroma - Određivanje sadržaja silicijuma - Spektrometrijska i gravimetrijska metoda

95.99   Povučen

B082 Saznaj više