IS 9949 : 2025 Abrasive Properties of Coal and Associated Minerals - Methods of Test

ICS 73.040

PCD 07

1 SCOPE

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

2 REFERENCES

The standards given below contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards:

IS No. Title
IS 436 (Part 1/Sec 1) : 2024 Methods for sampling of coal and coke: Part 1 Sampling of coal, Section 1 Manual sampling (second revision)
IS 460 (Part 1) : 2020 Test sieves - Specification: Part 1 Wire cloth test sieves (fourth revision)
IS 16143 Hard coal and coke - Mechanical sampling
(Part 2) : 2021/ISO 13909-2 : 2016 Coal - Sampling from moving streams (first revision)
(Part 3) : 2021/ISO 13909-3 : 2016 Coal - Sampling from stationary lots (first revision)
(Part 4) : 2021/ISO 13909-4 : 2016 Coal - Preparation of test samples (first revision)
(Part 7) : 2021/ISO 13909-7 : 2016 Methods for determining the precision of sampling, sample preparation and testing (first revision)