MT/T 1160-2011
煤的镜质组含量分级
Classification of vitrinite content of coal
2011-11-16
MT/T 1179-2019
煤中焦油含量分级
Classification for content of tar in coal
2019-11-28
MT/T 1161-2011
煤的壳质组含量分级
Classification of exinite content of coal
2011-11-16
MT/T 1074-2008
煤中碱金属(钾、纳)含量分级
Classification for alkali metal (potassium, sodium) content in coal
2008-11-19
GB/T 41042-2021
煤中有价元素含量分级及应用导则
Guidance for utilization and classification of content of valuable elements in coal
2021-12-31
GB/T 15224.2-2021
煤炭质量分级 第2部分：硫分
Classification for quality of coal—Part 2: Sulfur content
2021-08-20
GB/T 20475.3-2012
Classification for content of harmful elements in coal—Part 3：Arsenic
2012-12-31
GB/T 20475.4-2012
Classification for content of harmful elements in coal—Part 4：Mercury
2012-12-31
GB/T 20475.2-2006
Classification for content of harmful elements in coal—Part 2：Chlorine
2006-09-12
GB/T 20475.1-2006
Classification for content of harmful elements in coal—Part 1：Phosphorus
2006-09-12
GB/T 20475.4-2012
煤中有害元素含量分级 第4部分：汞
Classification for content of harmful elements in coal - Part 4：Mercury
2012-12-31
GB/T 20475.3-2012
煤中有害元素含量分级 第3部分：砷
Classification for content of harmful elements in coal - Part 3：Arsenic
2012-12-31
GB/T 20475.5-2020
煤中有害元素含量分级 第5部分：氟
Classification for content of harmful elements in coal―Part 5：Fluorine
2020-03-06
GB/T 20475.1-2006
煤中有害元素含量分级 第1部分：磷
Classification for content of harmful elements in coal - Part 1：phosphorus
2006-09-12
GB/T 20475.2-2006
煤中有害元素含量分级 第2部分：氯
Classification for content of harmful elements in coal - Part 2：chlorine
2006-09-12
ISO 2950-1974
Brown coals and lignites — Classification by types on the basis of total moisture content and tar yield
褐煤和褐煤——根据总含水量和焦油量按类型分类
1974-02-01
NB/T 11532-2024
煤矿水中多种元素(钾、钠、钙、镁、铬、铜、锌、钡、锶、铁、铝、镓、镍、钒、锗、硼、磷、钛、锰)含量的测定 电感耦合等离子体发射光谱法
Determination of multiple elements(potassium,sodium,calcium,magnesium,chromium,copper,zinc,barium,strontium,iron,aluminum,gallium,nickel,vanadium,germanium,boron,phosphorus,titanium,manganese) content in coal mine water—Inductively coupled plasma emission spectroscopy
2024-05-24