D21 - Coal analysis methods

GB/T 16658-2026 in English

Determination of copper, cobalt, nickel, zinc, chromium, cadium and lead in coal

TO BE VALID

Issued on:2026-03-31 | Implemented on:2026-10-01

GB/T 214-2026 in English

Determination of total sulfur in coal

TO BE VALID

Issued on:2026-03-31 | Implemented on:2026-10-01

GB/T 19560-2025 in English

Experimental method of high-pressure isothermal adsorption to coal

VALID

Issued on:2025-08-01 | Implemented on:2025-11-01

DB43/T 3298-2025 in English

VALID

Issued on:2025-07-18 | Implemented on:2025-10-18

DB43/T 3299-2025 in English

VALID

Issued on:2025-07-18 | Implemented on:2025-10-18

DL/T 520-2025 in English

Technical Guidelines for Coal Testing Laboratories in Thermal Power Plants

VALID

Issued on:2025-06-30 | Implemented on:2025-12-30

DL/T 567.7-2025 in English

Method for Fuel Testing in Thermal Power Plants - Part 7: Determination of Sulfur in Ash and Slag and Calculation of Combustible Sulfur in Coal

VALID

Issued on:2025-06-30 | Implemented on:2025-12-30

DL/T 747-2025 in English

Technical Requirements and Performance Acceptance Methods for Intelligent Coal Sampling and Preparation System for Power Generation

VALID

Issued on:2025-06-30 | Implemented on:2025-12-30

MT/T 940-2025 in English

General Technical Specifications for Fluorine and Chlorine Determination Instruments in Coal

VALID

Issued on:2025-06-30 | Implemented on:2025-12-30

MT/T 937-2025 in English

General Technical Specifications for the Determination of the Plastic Layer Index of Bituminous Coal

VALID

Issued on:2025-06-30 | Implemented on:2025-12-30