BS 7763:1994
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Method of assessment of the liability to breakdown in water of materials associated with coal seams
Hardcopy , PDF
06-13-2019
English
06-15-1994
Committees responsible
National foreword
Method
1 Scope
2 Normative reference
3 Principle
4 Reagent
5 Apparatus
6 Sampling and preparation of test sample
7 Procedure
8 Expression of results
9 Precision
10 Test method
Annexes
A (normative) Calculation of settling time
B (informative) Example of a suitable format for the
test report
Table
1 Settling time for 10 micrometre particles
Figures
1 Typical apparatus for the determination of
breakdown characteristics in water
2 Modified Andreasen sedimentation apparatus
B.1 Graphical presentation of breakdown results
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