GB/T 6949-1998 in English

SUPERSEDED

Determination of apparent relative density of coal

Issued on:1998-12-08
Implemented on:1999-05-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $300.00
$291.00

Standard No:	GB/T 6949-1998
Document status:	SUPERSEDED
Superseded by:	GB/T 6949-2010 Determination of apparent relative density of coal
Superseded on:	2011-06-01
Title in English:	Determination of apparent relative density of coal
Title in Chinese:	煤的视相对密度测定方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	1998-12-08
Implemented on:	1999-05-01
ICS Classification:	73.040-Coals
Chinese Classification:	D21-Coal analysis methods
Professional Classification:	GB-National Standard
Related Keywords:	apparent relative density coal scopethis standard coal sample preparation bituminous coal coal
Related Topics:	relative density device Density determination method Density of briquette Density measurement standard Density measurement standard relative quantitative pcr Density measurement standard Density GB Material Relative Density Test relative quantification stage Coating Relative Density control relative density relative density iec relative activity relative limit of quantitation relative confidence The relative density of the mixture solid relative density method How is relative abundance measured? relative quantitative pcr Density GB relative abundance Drainage method for density determination Solid Relative Density Measurement Method Relative Atomic Mass Determination Method relative ct method api degree relative density Relative viscosity measuring device relative range relative value Relative viscosity measuring device Density determination method relative density control pcr relative quantification How to measure precision Visibility relative ct method Relative Quantitative PCR+ relative quantitative pcr method mobile phase density mobile phase density Absolute Quantification vs. Relative Quantification Drainage Relative Density pcr relative quantification method The relative density is unqualified pcr relative quantification method relative density of soil relative density factor Relative density range Density determination method Method precision determination method Method precision determination method Relative Density Meter Relative Density of Gasoline Apparent gravity relative density of coal Density of paraffin pcr relative quantification Relative deviation of two determinations relative quantitative pcr method Determination method of relative crystallinity Paraffin density relative blackness Paraffin density Verification Regulations for Relative Density Meter relative abundance Density determination method Mixture Relative Density Relative Quantitative Detection Method Liquid phase relative quantification Powder Relative Density temperature density Relative Illumination Measurement Method Modified Backsight Density Relative Density Concentration Density determination method See Relative density and uses of density coal density Density relative density instrument Relative Illumination Measurement Method Relative Density Survey Method Relative density of glass relative density survey Relative Quantitative Process Mixture Relative Density GBT6949 GB/T 6949-1998 GB/T 6949-2010 How to adjust the relative density density Relative density density method Relative illumination test method Three ways to measure density How to measure density Test method for true density of coal samples Coal apparent density test Density determination How to determine relative density and acidity? relative density analysis method Symmetry test method Method for isocratic separation of similar peaks Latex relative density test method Comparison of Accuracy of Pharmacopoeia Relative Density Methods Apparent density and standard density of oil Method for measuring relative density of liquids Density-dependent sorting methods The qualifying standard for relative illumination is Relative density measurement method density bottle Relative density of earth and rock How to cheat on vision test Common methods and characteristics of relative density determination Coal density detection method relatively Relative quantitative calculation method Determination method of relative density of ethanol Relative density determination method

《GB/T 6949-1998煤的视相对密度测定方法》由TC42（全国煤炭标准化技术委员会）归口，主管部门为中国煤炭工业协会。
本标准规定了煤的视相对密度测定用的仪器设备、试剂、煤样制备、测定步骤、结果计算和精密度。本标准适用于无烟煤、烟煤、褐煤。

Scope

This standard specifies the instruments and equipment, reagents, coal sample preparation, measurement procedures, result calculation and precision for the determination of apparent relative density of coal. This standard applies to anthracite, bituminous coal and lignite.

More samples: JC/T 2453-2018 GB 50021-2001(2009) GB 18306-2015

Sample only — not a preview of GB/T 6949-1998

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