NB/T 11943-2025 Active Industry standards-Energy

NB/T 11943-2025 The method for measuring the gas content of coal seam core extracted by sealing in coal mine underground

Publish Date: 2025-12-18 Implement Date: 2026-06-18 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: NB/T 11943-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Solid fuel mine

ICS Name: \nCoal

Publish Date: 2025-12-18

Implement Date: 2026-06-18

Publisher: 国家能源局

Technical Committee: 能源行业煤矿瓦斯治理与利用标准化技术委员会

Development Information

Related Standards

GB 5751-1986 Replaced

GB 5751-1986 Classification of Chinese coals

Publish Date: 1986-01-09

GB 481-1993 abolished_transferred

GB 481-1993 Sampling method of coal sample for production

Publish Date: 1993-02-19

GB/T 15223-1994 Replaced

GB/T 15223-1994 Plastics—Liquid resins—Determination of density by the pyknometer method

Publish Date: 1994-09-24

GB/T 15224.1-1994 Replaced

GB/T 15224.1-1994 Classification for quality of coal—Classification for ash yield of coal

Publish Date: 1994-09-24

GB/T 15224.2-1994 Replaced

GB/T 15224.2-1994 Classification for quality of coal—Classification for sulphur content of coal

Publish Date: 1994-09-24

GB/T 15224.3-1994 Replaced

GB/T 15224.3-1994 Classification for quality of coal—Classification for calorific value of coal

Publish Date: 1994-09-24