0520;5640 标准查询与下载
共找到 8 条与 相关的标准，共 1 页
Brown coals and lignites; Determination of yield of toluene-soluble extract
- ICS
- 0520;5640
- CCS
- D21
- 发布
- 1985-12
- 实施
Brown coals and lignites; Determination of humic acids
- ICS
- 0520;5640
- CCS
- D21
- 发布
- 1985-07
- 实施
Solid mineral fuels; Determination of total sulfur; High temperature combustion method
- ICS
- 0520;5640
- CCS
- D20
- 发布
- 1984-10
- 实施
Coal; Determination of nitrogen; Semi-micro Kjeldahl method
- ICS
- 0520;5640
- CCS
- D21
- 发布
- 1983-09
- 实施
Solid mineral fuels; Determination of chlorine using Eschka mixture
- ICS
- 0520;5640
- CCS
- D20
- 发布
- 1981-11
- 实施
Solid mineral fuels; Determination of carbon dioxide content; Gravimetric method
- ICS
- 0520;5640
- CCS
- D20
- 发布
- 1980-08
- 实施
Coal and coke; Determination of carbon and hydrogen; High temperature combustion method
- ICS
- 0520;5640
- CCS
- D21
- 发布
- 1975-01
- 实施
Hard coal; Determination of forms of sulphur
- ICS
- 0520;5640
- CCS
- D21
- 发布
- 1975-01
- 实施
