IS 1760 : Part 3 : 1992 Methods of chemical analysis of limestone, dolomite and allied materials Part 3 Determination of iron oxide, alumina, calcium oxide and magnesia

1 Scope

1.1 This standard (Part 3) describes methods for chemicalanalysis of various grades of limestone, dolomite, calcite, andmagnesite, in the ranges given below:Element                Range                       (Percent by Mass)

Iron oxide (Fe₂O₃)      0.2 to 2

Alumina (Al₂O₃)         0.2to 2

Calcium oxide (CaO)     0.5 to 55

Magnesium oxide (MgO)   0.2 to 52

2 References

IS 264 : 1976Nitric Acid

IS 1070 : 1977 Waterfor general laboratory use

IS 2109 : 1982Methods of sampling of dolomite, limestone and otherallied materials