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Database: 365,228(8 Aug 2026)
rock apparent density determination methods methods apparent rock inert gas ≤-50℃ interface security mechanism data security third-party evaluation
MT 40-1987 in English

MT 40-1987 in English

VALID

Determination Methods for Rock Apparent Density

  • Issued on:1987-11-18
  • Implemented on:1987-12-10
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $120.00
$117.00
Standard No: MT 40-1987
Document status: VALID
Title in English: Determination Methods for Rock Apparent Density
Title in Chinese: 岩石视密度测定方法
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 1987-11-18
Implemented on: 1987-12-10
Chinese Classification: D20-Solid fuel ore in general
Professional Classification: MT-Coal
Related Keywords: rock apparent density
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本标准适用于岩石视密度的测定。
岩石视密度是指单位体积岩石(含孔隙)的质量。
根据含水状态的不同,视密度分为天然视密度、自然视密度、干视密度和饱和视密度。
天然视密度是试件在天然含水状态下的视密度。自然视密度是试件制备后,在下部贮水的干燥器内存放1^2d的视密度。千视密度是试件在105-110'C温度下干燥24 h后的视密度。饱和视密度是试件在饱和吸水状态下的视密度。
本标准采用蜡封法和量积法。


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