IS 9949 : 1986 Methods of test for abrasive properties of coal and associated minerals

1 Scope

1.1 This standard specifies the method for determination of relative abrasioncharacteristics of coal including lignite and associated minerals.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 436 : Part 1 : Sec 1 : 1964 Methods for sampling of coal andcoke:Part 1 Sampling of coal, Section 1 Manualsampling

IS 436 : Part 1 : Sec 2 :1976 Methods for sampling of coal and coke:Part 1 Sampling of coal, Section 2Mechanical sampling

IS 460 : Part 1 :1978Specification for test sieves:Part 1 Wire cloth test sieves