ISO/TC 27/SC 5
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 2756 | ISO 587:1997 | Solid mineral fuels — Determination of chlorine using Eschka mixture | Atcelts |
| 2758 | ISO/WD 12903 | Coal and solid process residues — Determination of major, minor and trace elements — Inductively coupled argon plasma spectrometric method | Izstrādē |
| 2762 | ISO/WD 602 | Coal — Determination of mineral matter | Izstrādē |
| 3987 | ISO 157:1975 | Hard coal — Determination of forms of sulphur | Atcelts |
| 3988 | ISO 157:1996 | Coal — Determination of forms of sulfur | Atcelts |
| 4274 | ISO 331:1983 | Coal — Determination of moisture in the analysis sample — Direct gravimetric method | Atcelts |
| 4275 | ISO 332:1981 | Coal — Determination of nitrogen — Macro Kjeldahl method | Atcelts |
| 4277 | ISO 333:1983 | Coal — Determination of nitrogen — Semi-micro Kjeldahl method | Atcelts |
| 4278 | ISO 333:1996 | Coal — Determination of nitrogen — Semi-micro Kjeldahl method | Atcelts |
| 4279 | ISO 334:1975 | Coal and coke — Determination of total sulphur — Eschka method | Atcelts |
Displaying 11-20 of 247 results.