GB/T 6949-2010: Translated English of Chinese Standard. (GBT 6949-2010, GB/T6949-2010, GBT6949-2010): Determination of apparent relative density of coal

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https://www.chinesestandard.net, 20‏/03‏/2015 - 13 من الصفحات
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This Standard specifies the instruments and equipment, reagents, coal sample preparation, determination procedures, results calculation, and degree of precision for determination of apparent relative density of coal. This Standard applies to lignite, bituminous coal and anthracite.
 

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الصفحات المحددة

المحتوى

Foreword
3
Scope
4
Method summary
5
Coal sample collection and preparation
6
Determination procedures
7
Calculation results and expression
8
Precision of method
9
Annex A Normative Empirical Formula of Calculating Apparent Relative Density
10
Annex B Normative Determination of Paraffin Wax Density
11

عبارات ومصطلحات مألوفة

according to GB air bubble Annex anthracite apparent relative density aqueous ethanol solution aqueous solution ash content bituminous coal bottle and aqueous calculated according capillary tube coal and coke coal at 20°C Coal Resources Exploration coal sample bottle constant temperature content is greater cubic centimeter g/cm3 density of coal Density of paraffin determination of apparent Determination procedures documents so quoted dodecyl sulfate solution drying oven filter paper GB/T glass rod grams g grams per cubic greater than 30 Hard coal lignite wax Manual sampling Mass of density Mechanical sampling mesh spoon method newly boiled Paraffin Wax Density particle size pipette to add plastic cloth plug the stopper room temperature round-hole sieve scatter the coal Small aluminum pan small hole sodium dodecyl sulfate square-hole sieve stopper carefully Temperature C Density thermostatic water bath True Relative Density volume of paraffin waxed coal particles weigh its mass Weigh the mass Wide-mouth density bottle

نبذة عن المؤلف (2015)

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معلومات المراجع

QR code for GB/T 6949-2010: Translated English of Chinese Standard. (GBT 6949-2010, GB/T6949-2010, GBT6949-2010)
العنوانGB/T 6949-2010: Translated English of Chinese Standard. (GBT 6949-2010, GB/T6949-2010, GBT6949-2010): Determination of apparent relative density of coal
المؤلفhttps://www.chinesestandard.net
الناشرhttps://www.chinesestandard.net, 2015
عدد الصفحات13 من الصفحات
  
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