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 31425-2015 Specifications for determinator of sulfur by coulometric titration $160.00 via email in 1~3 business day valid
GB/T 31427-2015 Specification for determinator of coal ash fusibility $130.00 via email in 1~3 business day valid
GB/T 31428-2015 Terms relating to coal chemical technology $250.00 via email in 1~3 business day superseded
GB/T 31428-2021 Vocabulary relating to coal chemical technology $375.00 via email in 1~5 business day valid
GB/T 31429-2015 Guide for quality management in a coal laboratory $220.00 via email in 1~3 business day valid
GB/T 31537-2015 Terms relating to coalbed methane(coal mine gas) $930.00 via email in 1~5 business day valid
GB/T 31861-2015 Clean fuel for industrial furnace―Briquette $100.00 via email in 1~3 business day valid
GB/T 31862-2015 Commercial coal quality―Lignite $60.00 via email in 1~3 business day valid
GB/T 33302-2016 The test method of the emission of sulfur during coal combustion $160.00 via email in 1~3 business day valid
GB/T 33303-2016 Guide for evaluation of measurement uncertainty in coal analysis $310.00 via email in 1~5 business day valid
GB/T 33304-2016 Testing method of combustion characteristics of coal--Thermogravimetric analysis $160.00 via email in 1~3 business day valid
GB/T 33688-2017 Evaluation method for performance of coal preparation magnetic separator $110.00 via email in 1~3 business day valid
GB/T 33689-2017 General rules for testing methods of coal preparation $120.00 immediately valid
GB/T 33690-2017 Test method of coal liquefaction activity by autoclave $180.00 via email in 1~3 business day valid
GB/T 34229-2017 Coalbed methane well test method--Drill stem testing method $220.00 via email in 1~3 business day valid
GB/T 34230-2017 Test method of leaching for coal and coal refuse $170.00 via email in 1~3 business day valid
GB/T 34231-2017 Determination of loss on ignition for coal combustion residues $90.00 via email in 1~3 business day valid
GB/T 34273-2017 Coal based Fisher-Tropsch sysnthesis--Standard test method for calculated cetane index of distillate fuels--Four variable equation $60.00 via email in 1~3 business day superseded
GB/T 34273-2021 Standard test method for calculated cetane index of coal liquefaction diesel—Four variable equetion $105.00 via email in 1~3 business day valid
GB/T 34547-2017 Specification for detection and evaluation of coalbed methane surface drainage effect in coal mine $160.00 via email in 1~3 business day valid
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