Objavljen
The method ist applicable to a concentration range of 0,0001 to 0,1 % (m/m) (1 bis 1000 /g) of arsenic in natural iron ores, and iron ore concentrates and agglomerates including sinter products. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results, and test report. Includes three annexes. A figure shows the arsenic distillation apparatus.
OBJAVLJEN
ISO 7834:1987
90.93
Odluka o potvrđivanju standarda
30. 3. 2025.
Rude gvožđa - Određivanje sadržaja arsena - Spektrofotometrijska metoda sa molibden-plavim (identičan sa ISO 7834:1987)
90.93 Odluka o potvrđivanju standarda