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GB/T 23561.12-2010
GB/T 23561.12-2010 Methods for determining the physical and mechanical properties of coal and rock—Part 12:Methods for determining coal hardiness coefficient
Abstract
This part of GB/T 23561 specifies the terms and definitions, instruments and equipment, specimens specifications, measurement steps, and data calculation involved in determining the hardness coefficient of coal using the crushing method.
This part is applicable to the determination of the hardness coefficient of lignite, bituminous coal, and anthracite, but not to natural coke and coke.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB/T 23561.12-2010 |
| CCS | Basic standards and general methods |
| ICS | Mining and mineral products comprehensive |
| Implement Date | 2011-02-01 |
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