Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 27692-2011 Acidity iron pellet for blast furnace 110.0 via email in 1~3 business day valid
GB/T 6730.35-2016 Iron ores—Determination of copper content—Oxalic acid bis-cyclohexylidene hydragide(cuprizone) spectrophotometric method 150.0 via email in 1~3 business day valid
GB/T 24189-2009 Iron ores for blast furnace feedstocks—Determination of the reducibility by the final degree of reduction index 170.0 via email in 1~3 business day valid
GB/T 6730.10-2014 210.0 via email in 1~3 business day valid
GB/T 10322.1-2014 Iron ores―Sampling and sample preparation procedures 910.0 via email in 1~10 business day valid
GB/T 6730.9-2016 150.0 via email in 1~3 business day valid
GB/T 6730.21-2016 Iron ores―Determination of manganse content―Potassium periodate spectrophotometric method 150.0 via email in 1~3 business day valid
GB/T 20565-2006 Iron ores and direct reduced iron - Vocabulary 285.0 via email in 1~3 business day valid
GB/T 10322.7-2016 Iron ores and direct reduced iron-Determination of size distribution by sieving 555.0 via email in 1~5 business day valid
GB/T 6730.6-2016 Iron ores―Determination of metallic iron content―Ferric chloride-sodium acetate titrimetric method 150.0 via email in 1~3 business day valid
GB/T 6730.68-2009 Iron ores—Determination of loss on ignition—Gravimetric method 110.0 via email in 1~3 business day valid
GB/T 6730.8-2016 150.0 via email in 1~3 business day valid
GB/T 10322.3-2000 Iron ores--Experimental methods for checking the precision of sampling 285.0 via email in 1~5 business day valid
GB/T 24235-2009 Iron ores for shaft direct-reduction feedstocks—Determination of the low temperature reduction-disintegration index and degree of metallization 170.0 via email in 1 business day valid
GB/T 24190-2009 Iron ores—Determination of combined water—Karl Fischer method 240.0 via email in 1~3 business day valid
GB/T 6730.45-2006 Iron ores - Determination of arsenic content - Arseno-molybdenum blue spectrophotometric method after hydrogen arsenide separation 120.0 via email in 1~3 business day valid
GB/T 32545-2016 Division of production grade for iron ores 150.0 via email in 1~3 business day valid
GB/T 29652-2013 Direct reduced iron—Determination of carbon and sulfur—High frequency combustion with infrared absorption method 200.0 via email in 1~3 business day valid
GB/T 6730.73-2016 Iron ores―Determination of total iron content―EDTA photometric titration method 150.0 via email in 1~3 business day valid
GB/T 6730.16-2016 Iron ores一Determination of sulfur content一Barium sulfate gravimetric method 150.0 via email in 1~3 business day valid
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