GB/T 474-2008

Active

Method for preparation of coal sample

煤样的制备方法

Standard Type
GBT
ICS
73.040
CCS
D21
Status
Active
Issue Date
2008-12-04
Implementation
2009-05-01
Centralized Committee
中国煤炭工业协会
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the procedures for reducing, dividing, drying, and pulverizing coal samples to obtain representative laboratory analysis samples. It is applied in the coal mining industry, power plants, and testing laboratories to ensure sample consistency for subsequent chemical and physical tests, such as ash content and calorific value determination.

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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.