ISO 975:2021
Brown coals and lignites — Determination of yield of benzene-soluble extract — Semi-automatic method
- Standard No.
- ISO 975:2021
- Release Date
- 2021
- Published By
- International Organization for Standardization (ISO)
- Latest
- ISO 975:2021
- Scope
- This document specifies a semi-automatic method for determination of the yield of benzene-soluble extract in brown coals and lignites.
ISO 975:2021 Referenced Document
- ISO 13909-4 Hard coal and coke - Mechanical sampling - Part 4: Coal - Preparation of test samples
- ISO 18283 Coal and coke — Manual sampling*， 2022-03-21 Update
- ISO 5068-2 Brown coals and lignites - Determination of moisture content - Part 2: Indirect gravimetric method for moisture in the analysis sample
ISO 975:2021 history
- 2021 ISO 975:2021 Brown coals and lignites — Determination of yield of benzene-soluble extract — Semi-automatic method
- 2013 ISO 975:2013 Brown coals and lignites.Determination of yield of benzene-soluble extract.Semi-automatic method
- 2000 ISO 975:2000 Brown coals and lignites - Determination of yield of benzene-soluble extract - Semi-automtic method
- 1985 ISO 975:1985 Brown coals and lignites; Determination of yield of toluene-soluble extract
- 1980 ISO 975:1980 Brown coals and lignites — Determination of yield of benzene-soluble extract — Semi-automatic method
- 1975 ISO 975:1975 Brown coals and lignites — Determination of yield of benzene-soluble extract
