ISO/TC 27/SC 5
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 90230 | ISO 2950:2025 | Brown coals and lignites — Classification by types on the basis of total moisture mass fraction and tar yield | Standarts spēkā |
| 45546 | ISO 29541:2010 | Solid mineral fuels — Determination of total carbon, hydrogen and nitrogen content — Instrumental method | Atcelts |
| 86983 | ISO 29541:2025 | Coal and coke — Determination of total carbon, hydrogen and nitrogen — Instrumental method | Standarts spēkā |
| 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 |
| 27427 | ISO 333:1996/Cor 1:1996 | Coal — Determination of nitrogen — Semi-micro Kjeldahl method — Technical Corrigendum 1 | Atcelts |
| 4279 | ISO 334:1975 | Coal and coke — Determination of total sulphur — Eschka method | Atcelts |
| 4280 | ISO 334:1992 | Solid mineral fuels — Determination of total sulfur — Eschka method | Atcelts |
Displaying 71-80 of 247 results.