GB/T 19494.2-2023
ActiveMechanical sampling of coal—Part 2：Method for sample preparaion
煤炭机械化采样 第2部分：煤样的制备
Application Summary AI generated
This standard specifies the methods for preparing coal samples obtained through mechanical sampling, including crushing, mixing, and dividing procedures to ensure representative test portions. It is applied in the coal mining, processing, and power generation industries for quality control and commercial transactions, particularly in laboratory testing contexts where accurate sample preparation is critical for determining coal properties like ash content and calorific value.
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GB/T 19494.2-2004
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GB/T 19494.1-2004
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