ISO 7936:1992
Hard coal; determination and presentation of float and sink characteristics; general directions for apparatus and procedures

Standard No.

ISO 7936:1992

Release Date

1992

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 7936:2022

Latest

ISO 7936:2022

Scope

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.

ISO 7936:1992 history

• 2022 ISO 7936:2022 Coal — Determination and presentation of float and sink characteristics — General directions for apparatus and procedures
• 1992 ISO 7936:1992 Hard coal; determination and presentation of float and sink characteristics; general directions for apparatus and procedures