GB/T 20475.4-2012
Classification for content of harmful elements in coal.Part 4:Mercury (English Version)

Standard No.

GB/T 20475.4-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 20475.4-2012

Scope

This standard stipulates the classification, naming and code name of coal according to the range of mercury content w (Hgd) on a dry basis, as well as the requirements for mercury content in coal production, processing and utilization. This standard is applicable to coal exploration, production and processing, sales and utilization,

GB/T 20475.4-2012 Referenced Document

• GB 474 Method for preparation of coal sample
• GB 475 Method for manual sampling of commercial coal
• GB/T 16659 Determination of mercury in coal
• GB/T 19494.1 Mechanized Coal Sampling Part 1: Sampling Methods*， 2023-11-27 Update
• GB/T 19494.2 Mechanized Coal Sampling Part 2: Preparation of Coal Samples*， 2023-11-27 Update
• GB/T 482 Sampling of coal seams
• MT/T 988 Conventional rail endless rope driven transport system

GB/T 20475.4-2012 history

• 2012 GB/T 20475.4-2012 Classification for content of harmful elements in coal.Part 4:Mercury

GB/T 20475.4-2012 -All Parts