GB 5751-1986
Replaced
GB/T 19494.2-2023
Active
National standards
GB/T 19494.2-2023 Mechanical sampling of coal—Part 2:Method for sample preparation
GB/T 19494.2-2023 Mechanical sampling of coal—Part 2:Method for sample preparation
Basic Information
Standard Code:
GB/T 19494.2-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Coal analysis methods
ICS Name:
\nCoal
Publish Date:
2023-11-27
Implement Date:
2024-03-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国煤炭标准化技术委员会(SAC/TC 42)
Pages:
30 pages
Scope
本文件规定了煤样制备精密度，试样的构成、缩分、破碎、混合和空气干燥，各种煤样的制备，存查煤样及制样设备的设计要求。本文件适用于褐煤、烟煤和无烟煤。
Development Information
Drafting Units:
煤炭科学技术研究院有限公司、长沙开元仪器有限公司、江西光明智能科技有限公司
Drafting Persons:
皮中原、韩立亭、何文莉、文胜、张博
Same series standard
Replace the following standards
Referenced Standards
GB/T 211-1996 Determination of total moisture in coal
GB/T 211-2007 Determination of total moisture in coal
GB/T 211-2017 Determination of total moisture in coal
GB/T 19494.1-2004 Mechanical sampling of coal—Part 1:Method for sampling
GB/T 19494.1-2023 Mechanical sampling of coal—Part 1:Method for sampling
GB/T 19494.3-2004 Mechanical sampling of coal—Part 3:Determination of precision and bias test
GB/T 19494.3-2023 Mechanical sampling of coal—Part 3:Determination of precision and bias test
Adopt standards
ISO 13909-1:2016
ISO 13909-4:2016
Related Standards
GB 481-1993
abolished_transferred
GB 481-1993 Sampling method of coal sample for production
GB/T 15223-1994
Replaced
GB/T 15223-1994 Plastics—Liquid resins—Determination of density by the pyknometer method
GB/T 15224.1-1994
Replaced
GB/T 15224.1-1994 Classification for quality of coal—Classification for ash yield of coal
GB/T 15224.2-1994
Replaced
GB/T 15224.2-1994 Classification for quality of coal—Classification for sulphur content of coal
GB/T 15224.3-1994
Replaced