GB 481-1993
AbolishedSampling method of coal sample for production
生产煤样采取方法
Application Summary AI generated
GB 481-1993 specifies the procedures for collecting representative coal samples directly from production sources, such as mine faces, conveyors, or stockpiles, to determine coal quality for processing and utilization. It is applied in coal mining operations and preparation plants to ensure accurate sampling for grade control, blending, and commercial transactions. This standard is critical for quality assurance in the coal industry, guiding engineers and procurement professionals in obtaining reliable data for resource evaluation and contract compliance.
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