现行

MT/T 1179-2019

煤中焦油含量分级
Classification for content of tar in coal

2019-11-28

现行

MT/T 1161-2011

煤的壳质组含量分级
Classification of exinite content of coal

2011-11-16

现行

MT/T 1160-2011

煤的镜质组含量分级
Classification of vitrinite content of coal

2011-11-16

现行

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

现行

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

现行

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

现行

GB/T 20475.3-2012

Classification for content of harmful elements in coal—Part 3：Arsenic

2012-12-31

现行

GB/T 20475.4-2012

Classification for content of harmful elements in coal—Part 4：Mercury

2012-12-31

现行

GB/T 20475.2-2006

Classification for content of harmful elements in coal—Part 2：Chlorine

2006-09-12

现行

GB/T 20475.1-2006

Classification for content of harmful elements in coal—Part 1：Phosphorus

2006-09-12

现行

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

现行

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

现行

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

现行

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

现行

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

现行

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