GB/T 46289-2025 Active National standards

GB/T 46289-2025 Macrolithotype classification for brown coals and lignites

Publish Date: 2025-10-05 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46289-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: \nCoal rock

ICS Name: \nCoal

Publish Date: 2025-10-05

Implement Date: 2026-05-01

Pages: 16 pages

Scope

This document specifies the classification basis, classification scheme, and division method for lignite rock types.
This document is applicable to the description of the lignite No.1 coal seam, resource evaluation, processing and utilization, and genetic research, etc.

Development Information

Word Count: 16 Thousand words Pages: 16 pages

Referenced Standards

GB/T 12937-1995 Terms relating to coal petrology GB/T 12937-2008 Terms relating to coal petrology

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