Historical
ISO 7936:1992
Hard coal -- Determination and presentation of float and sink characteristics -- General directions for apparatus and procedures
Describes sampling, preliminary treatment, test procedure using relative density separation methods, presentation of results. A general procedure for a centrifugal float and sink test is given in Annex A. A typical procedure for treating and testing a sample of raw coal is described in Annex B. Some practical hints on float and sink testing are given in annex C.
CONTENT PROVIDER
International Organization for Standardization [iso]
International Organization for Standardization [iso]
