GB/T 46288-2025 Active National standards

GB/T 46288-2025 Maceral 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 46288-2025

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: 24 pages

Scope

This document specifies the classification basis and classification scheme for the micro-components of lignite.
This document is applicable to lignite with a random reflectance of less than or equal to 0.40% of the humic bodies.

Development Information

Word Count: 33 Thousand words Pages: 24 pages

Referenced Standards

GB 5751-1986 Classification of Chinese coals GB/T 5751-2009 Chinese classification of coals GB/T 12937-1995 Terms relating to coal petrology GB/T 12937-2008 Terms relating to coal petrology

Related Standards

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GB 481-1993 abolished_transferred

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GB/T 15223-1994 Replaced

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

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GB/T 15224.1-1994 Replaced

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

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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