Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 1513-1979 Methods for determination of calcium oxide and magnesium oxide contents in manganese ores--Atomic absorption spectrophotometric method $184.00 via email in 1~3 business day abolished
GB/T 1513-2006 Manganese ores - Determination of calcium and magnesium contents - Flame atomic absorption spectrometric method $150.00 via email in 1~3 business day valid
GB/T 1515-1979 Method for determination of phosphorus content in manganese ores $180.00 via email in 1~3 business day superseded
GB/T 1515-2002 Manganese ores--Determination of phosphorus content--Phosphomolybdenum blue spectrophotometric method $110.00 via email in 1~3 business day valid
GB/T 1516-1979 Method for determination of arsenic content in manganese ores $184.00 via email in 1~3 business day superseded
GB/T 1516-2006 Manganese ores - Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometric method $140.00 via email in 1~3 business day valid
GB/T 1518-1979 Method for determination of nickel content in manganese ores--Polarographic method $180.00 abolished
GB/T 15186-1994 Separator-Types and basic parameters $100.00 via email in 1~3 business day abolished
GB/T 1519-1979 Method for determination of copper content in manganese ores--Polarographic method $180.00 abolished
GB/T 15223-1994 Plastics-Liquid resins-Determination of density by the pyknometer method $184.00 via email in 1~3 business day abolished
GB/T 15224.1-1994 Classification for quality of coal--Classification for ash yield of coal $180.00 via email in 1~3 business day abolished
GB/T 15224.1-2004 Classification for quality of coal Part 1:Ash $210.00 via email in 1~3 business day abolished
GB/T 15224.1-2010 Classification for quality of coal—Part 1:Ash $120.00 via email in 1~3 business day superseded
GB/T 15224.1-2018 Classification for quality of coal—Part 1:Ash $80.00 via email in 1~3 business day valid
GB/T 15224.2-1994 Classification for quality of coal--Classification for sulphur content of coal $180.00 via email in 1~3 business day abolished
GB/T 15224.2-2004 Classification for coal quality Part 2:Sulfur content $120.00 via email in 1~3 business day abolished
GB/T 15224.2-2010 Classification of quality of coal—Part 2:Sulfur content $80.00 via email in 1~3 business day abolished
GB/T 15224.2-2021 Classification for quality of coal—Part 2: Sulfur content $105.00 via email in 1~3 business day valid
GB/T 15224.3-1994 Classification for quality of coal--Classification for calorific value of coal $180.00 via email in 1~3 business day abolished
GB/T 15224.3-2004 Classification for coal quality Part 3:Calorific value $224.00 via email in 1~3 business day abolished
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