GB/T 46381-2025 Low radioactive spherical silica powder for integrated circuit packaging

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 6284-1986 Chemical products for industrial use—General method for determination of water content—Gravimetric method GB/T 6284-2006 Chemical products for industrial use—General method for determination of water content—The loss of mass on drying method GB/T 6678-2003 General principles for sampling chemical products GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 6908-2005 Analysis of water used in boil and cooling system—The determination of electrical conductivity for water GB/T 6908-2008 Analysis of water used in boil and cooling system—Determination of electrical conductivity GB/T 6908-2018 Analysis of water used in boiler and cooling system—Determination of electrical conductivity GB/T 9724-2007 Chemical reagent—General rule for the determination of pH GB/T 11446.7-1997 Test method for trace chloride, nitrate, phosphate, sulfate in electronic grade water by ion-chromatography GB/T 11446.7-2013 Test method for trace anion in electronic grade water by ion chromatography GB/T 13390-1992 Metallic powder—Determination of the specific surface area—Method of nitrogen adsorption GB/T 13390-2008 Metallic powder—Determination of the specific surface area—Method of nitrogen adsorption GB/T 14506.30-2010 Methods for chemical analysis of silicate rocks—Part 30:Determination of 44 elements GB/T 14640-1993 Industrial circulating cooling water—Determination of potassium—Atomic absorption spectrometric method GB/T 14640-2008 Water used in industrial circulating cooling system and boiler—Determination of potassium and sodium GB/T 14640-2017 Determination of potassium and sodium in water for industrial circulating cooling system and boiler GB/T 19077-2016 Particle size analysis—Laser diffraction methods GB/T 19077-2024 Particle size analysis—Laser diffraction methods GB/T 19077.1-2003 Particle size analysis—Laser diffraction method GB/T 19077.1-2008 Particle size analysis—Laser diffraction methods—Part 1:General principles GB/T 32661-2016 Spherical silica powder GB/T 36655-2018 Test method for alpha crystalline silicon dioxide content of spherical silica powder for electronic packaging—XRD method GB/T 37406-2019 Detection method of degree of sphericity of spherical silica for electronic packaging—Particle dynamic photoelectric projection method GB/T 39486-2020 Chemical reagent—General rules for inductively coupled plasma mass spectrometry GB/T 40401-2021 Determination of density by volumetric displacement—Skeleton density by gas pycnometry SJ 3228.3-1989 Determination of loss on ignition in high purity arenaceous quartz SJ 3228.4-1989 Determination of silicon oxide in high purity arenaceous quartz