ISO 548:1981 Preview
Manganese ores -- Determination of barium oxide content -- Barium sulphate gravimetric method
This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
This second edition cancels and replaces the first edition (i.e. ISO 548-1975). Should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sample, procedure and expression of results.
Buy this standard
A standard is reviewed every 5 years
Revisions / Corrigenda