1 Scope
This standard specifies the coal sample, float and sink test room, equipment (appliance) and apparatus, heavy liquid preparation, test preparation, test procedure, assay items and result sorting of coal float and sink test.
This standard is applicable to soft coal and hard coal, and lignite may refer.
2 Normative References
The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, its latest editions apply.
Foreword I
1 Scope 1
2 Normative References 1
3 Terms and Definitions 1
4 Coal Sample 1
5 Float and Sink Test Room 2
6 Apparatus 2
7 Test Preparations 3
8 Test Procedures 5
9 Assay and Result Processing 8
Appendix A (Informative) Comparison of Chapter and Article Numbers between this Standard and ISO 7936: 1992 10
Appendix B (Informative) Technical Differences and their Reasons between this Standard and ISO 7936: 1992 11
Appendix C (Informative) Float and Sink Test Result Processing (Example) 12
Appendix D (Informative) Original Record Table for Float and Sink Test of Coal Dust 17
