ISO 5975:1983 Preview
Chromium ores -- Determination of calcium and magnesium contents -- EDTA titrimetric method
This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
The method is applicable to products having a calcium content greater than 0,1 % (m/m) and a magnesium content greater than 3,0 % (m/m). Should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, procedure and expression of results.