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GB/T 4472-2011 Detemination of density and relative density for chemical products 170.0 via email in 1~3 business day valid
GB/T 31816-2015 Water treatment chemicals―Determination of the molecular weight and molecular weight distribution of polymers―Gel filtration chromatography 150.0 via email in 1~3 business day valid
GB/T 18907-2013 Microbeam analysis—Analytical electron microscopy—Selected-area electron diffraction analysis using a transmission electron microscope 430.0 via email in 1~3 business day valid
GB/T 30703-2014 Microbeam analysis―Guidelines for orientation measurement using electron backscatter diffraction 570.0 via email in 1~8 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 abolished
GB/T 28722-2012 Determination of iron and lead in amino acids - Atomic absorption spectrometry 140.0 via email in 1~3 business day valid
GB/T 19501-2013 Microbeam analysis—General guide for electron backscatter diffraction analysis 200.0 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 170.0 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
GB/T 1663-2001 Plasticizers--Determination of crystallizing point 75.0 via email in 1~3 business day valid
GB/T 24169-2009 Determination of perfluorooctane sulfonates(PFOS)in the fluorine-containing products and consumer products—High performance liquid chromatography-tandem mass spectrometry 50.0 via email in 1 business day valid
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