Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 24370-2009 Characterization of CdSe quantum dot nanocrystals - UV - Vis absorption spectroscopy 210.0 via email in 1~3 business day valid
LY/T 1929-2010 Test on the elementary physical and chemical properties of bamboo charcoal 240.0 via email in 1~3 business day valid
GB/T 18735-2014 Microbeam analysis-General guide for the specification of nanometer thin reference materials for analytical transmission electron microscope(AEM/EDS) 150.0 via email in 1~3 business day valid
GB/T 28606-2012 Determination of perfluorooctanoic acid and salt in the coating—High performance liquid chromatography-tandem mass spectrometry 180.0 via email in 1~3 business day valid
GB/T 32006-2015 Evaluation of photothermal effect of gold nanorods 225.0 via email in 1~3 business day valid
GB/T 30703-2014 Microbeam analysis―Guidelines for orientation measurement using electron backscatter diffraction 615.0 via email in 1~8 business day valid
JB/T 9221-1999 Test method for effective bentonite and effective seacoal aontent in green molding sand 90.0 via email in 1~3 business day valid
GB/T 19501-2013 Microbeam analysis—General guide for electron backscatter diffraction analysis 210.0 via email in 1~3 business day valid
QJ 2838.2-1996 Analysis Method for Methyl Hydrazine Purity and Water - Gas Chromatography Method for Water Analysis (External Standard Method) 75.0 via email in 1~3 business day valid
JB/T 9218-1999 Methods for liquid penetrant inspection 120.0 via email in 1~3 business day abolished
LY/T 2139-2013 240.0 via email in 1~3 business day valid
JC/T 685-1998 60.0 via email in 1~3 business day superseded
GB/T 31816-2015 Water treatment chemicals―Determination of the molecular weight and molecular weight distribution of polymers―Gel filtration chromatography 165.0 via email in 1~3 business day valid
GB/T 19502-2004 Surface chemical analysis - Glow discharge optical emission spectrometry (GD-OSE) - Introlduction to use 75.0 via email in 1~3 business day valid
GB/T 32055-2015 Microbeam analysis―Electron probe microanalysis―Methods for elemental-mapping analysis using wavelengthdispersive spectroscopy 225.0 via email in 1~3 business day valid
GB/T 30705-2014 Microbeam analysis―Electron probe microanalysis―Guidelines for the determination of experimental parameters for wavelength dispersive spectroscopy 255.0 via email in 1~3 business day valid
GB/T 31744-2015 Test on the elementary properties of bamboo charcoal for water-purification 165.0 via email in 1~3 business day valid
GB/T 24369.1-2009 Characterization of gold nanorods—Part 1:UV-Vis-NIR absorption spectroscopy 240.0 via email in 1~3 business day valid
GB/T 23243-2009 Determination of perfluorooctane sulfonates (PFOS) in the food packaging material - High performance liquid chromatography-tandem mass spectrometry 120.0 via email in 1~3 business day to be abolished
GB/T 28722-2012 Determination of iron and lead in amino acids - Atomic absorption spectrometry 150.0 via email in 1~3 business day valid
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