Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 29747-2013 Coal direct liquefaction—Determination of composition for coal direct liquefaction gas—Gas chromatographic method $180.00 via email in 1~3 business day valid
GB/T 29748-2013 Coal direct liquefaction—Determination of ash in coal liquefaction residue $100.00 via email in 1~3 business day valid
GB/T 30043-2013 Coal direct liquefaction―Determination of softening point of liquefaction residue―Ring and ball apparatus $140.00 via email in 1~3 business day valid
GB/T 30044-2013 Coal direct liquefaction―Determination of constituents of heavy products―Solvent extract $160.00 via email in 1~3 business day valid
GB/T 30045-2013 Coal direct liquefaction—Determination of apparent viscosity of coal-oil-slurry $100.00 via email in 1~3 business day valid
GB/T 3058-1996 Determination of arsenic in coal $120.00 via email in 1~3 business day superseded
GB/T 3058-2008 Determination of arsenic in coal $80.00 immediately superseded
GB/T 3058-2019 Determination of arsenic in coal $160.00 immediately valid
GB/T 30725-2014 Determination of ash composition in solid biofuels $300.00 via email in 1~5 business day valid
GB/T 30726-2014 Determination of ash fusibility of solid biofuels $180.00 via email in 1~3 business day valid
GB/T 30727-2014 Determination of calorific value for solid biofuels $360.00 via email in 1~5 business day valid
GB/T 30728-2014 Determination of nitrogen in solid biofuels $160.00 via email in 1~3 business day valid
GB/T 30729-2014 Determination of chlorine in solid biofuels $240.00 via email in 1~3 business day valid
GB/T 30730-2014 Specifications of mechanical sampling equipment for coal $360.00 via email in 1~5 business day valid
GB/T 30731-2014 Specifications of combined equipment for coal sample preparation $240.00 via email in 1~3 business day valid
GB/T 30732-2014 Proximate analysis of coal—Instrumental method $240.00 immediately valid
GB/T 30733-2014 Determination of total carbon, hydrogen and nitrogen content in coal—Instrumental method $80.00 immediately valid
GB/T 31391-2015 Ultimate analysis of coal $160.00 via email in 1~3 business day valid
GB/T 31423-2015 Guide for performance acceptance of oxygen bomb calorimeter $160.00 via email in 1~3 business day valid
GB/T 31424-2015 Determination of coal ash viscosity $160.00 via email in 1~3 business day valid
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