Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YB/T 5284-1999 Determination of refractive index of technical quinoline 30.0 via email in 1~3 business day superseded
GB/T 24208-2009 Determination of the naphthalene content of washing oil 120.0 via email in 1~3 business day valid
GB 3696-1989 via email in business day superseded
YB/T 5071-2015 β-methyl pyridine fraction via email in business day valid
GB 4318-1984 15.0 via email in 1~3 business day superseded
GB/T 14326-1993 Determination of carbon disulfide content in benzene 60.0 via email in 1~3 business day superseded
YB/T 5093-1993 Solid coumarone-indene resin 15.0 via email in 1~3 business day superseded
GB 8352.3-1987 15.0 via email in 1~3 business day superseded
YB/T 031-2012 Determination of the naphthalene content of coal tar pitch for road by gas chromatography via email in business day valid
GB 3702-1983 15.0 via email in 1~3 business day superseded
GB/T 2600-1997 Technical xylenol 30.0 via email in 1~3 business day superseded
GB/T 2283-1993 Coking benzole 60.0 via email in 1~3 business day abolished
YB/T 5071-2005 β - Picoline fraction 45.0 via email in 1~3 business day abolished
GB/T 8037-2009 Benzol products of coal carbonization—Test for presence of mercap tans 180.0 via email in 1~3 business day valid
YB/T 5176-1993 Test method for feedstock oil for carbon black - Determination of potassium and sodium (flame photometer method) 60.0 via email in 1~3 business day superseded
GB/T 6705-1989 Coking phenol 45.0 via email in 1~3 business day superseded
YB/T 032-2012 Determination of distillation test of coal tar pitch for road via email in business day valid
GB/T 24212-2009 Methylnaphthalene oil 120.0 via email in 1~3 business day valid
GB/T 24211-2009 Anthracene oil 120.0 via email in 1~3 business day valid
YB/T 5281-1999 Technical quinoline 15.0 via email in 1~3 business day superseded
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