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GB/T 6284-2006 Chemical products for industrial use - General method for determination of water content - The loss of mass on drying method 60.0 via email in 1~3 business day valid
HG/T 3481-1999 Chemical reagent-4 - Methyl-2 - Pentanone 45.0 via email in 1~3 business day valid
GB/T 27765-2011 Testing methods of SiO2, TiO2, Fe3O4 and Al2O3 nanoparticles biological effect by transmission electron microscope(TEM) 150.0 via email in 1~3 business day valid
GB/T 33088-2016 Chemical reagent- Pararosaniline hydrochloride solution 150.0 via email in 1~3 business day valid
HG/T 3495-1999 Chemical reagent-Eosin yellowish 60.0 via email in 1~3 business day valid
JC/T 1021.6-2007 Methods for chemical analysis of nonmetal mineral and rock Part 6 : Methods for chemical analysis of fluorite 225.0 via email in 1~3 business day valid
GB/T 6041-2002 General rules for mass spectrometric analysis 60.0 via email in 1 business day valid
GB/T 643-2008 Chemical reagent - Potassium permanganate 105.0 via email in 1~3 business day abolished
SN/T 2003 .5-2006 SN/T 2003 .5-2006 Determination of lead mercury chromium cadmium and bromine in electrical and electronic equipment - Part 5: Quantitative screening by energy dispersive X-ray fluorescence spectrometr 90.0 via email in 1~3 business day valid
TB/T 2059.2-2006 Methods for analysis of diesel locomotive coolants Part 2:Determination of sodium silicate 75.0 via email in 1~3 business day valid
HG/T 3532-2011 Industrial circulating cooling water—Determination of ferrous sulphide for sludge and corrosion products 170.0 via email in business day valid
GB/T 682-2002 Chemical reagent--Trichloromethane 90.0 via email in 1~3 business day valid
GB/T 683-2006 Chemical reagent - Methanol 60.0 via email in 1~3 business day valid
GB/T 1396-1993 reagents;Ammonium sulfate 60.0 via email in 1~3 business day abolished
GB/T 29814-2013 On-line analyser systems―Guide to design and installation 750.0 via email in 1~8 business day valid
GB/T 26813-2011 Double beam UV/VIS spectrophotometer 270.0 via email in 1~3 business day valid
GB/T 669-1994 Chemical reagent-Strontium nitrate 90.0 via email in 1~3 business day valid
GB/T 25186-2010 Surface chemical analysis—Secondary-ion mass spectrometry—Determination of relative sensitivity factors from ion-implanted reference materials 110.0 via email in 1~3 business day valid
GB/T 8570.6-2010 Determination of liquefied anhydrous ammonia—Part 6:Oil content—Gravimetric and infra-red methods 110.0 via email in 1~3 business day valid
GB/T 20726-2006 Instrumental specification for energy dispersive X-ray spectrometers with semiconductor detectors 120.0 via email in 1~3 business day valid
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