ISO/TC 27/SC 5/WG 7
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 79744 | ISO 5073:2021 | Brown coals and lignites — Determination of humic acids | Standarts spēkā |
| 79742 | ISO 5071-1:2021 | Brown coals and lignites — Determination of the volatile matter in the analysis sample — Part 1: Two-furnace method | Standarts spēkā |
| 79743 | ISO 5072:2021 | Brown coals and lignites — Determination of true relative density and apparent relative density | Standarts spēkā |
| 79741 | ISO 975:2021 | Brown coals and lignites — Determination of yield of benzene-soluble extract — Semi-automatic method | Standarts spēkā |
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