GB/T 26824-2020 Nanoscale alumina

GB/T 26824-2011 Nano-alumina

GB/T 19587-2017 Determination of the specific surface area of solids by gas adsorption using the BET method GB/T 20020-2013 Fumed silica GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 6609.2-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of the loss of mass at 1100°C-Gravimetric method GB/T 6609.2-2009 Chemical analysis methods and determination of physical performance of aluminium hydroxide—Part 2:Determination of loss of mass at 300 ℃ and 1 000 ℃ GB/T 6609.2-2022 Chemical analysis methods and determination of physical performance of alumina—Part 2:Determination of loss ofmass at 300 ℃ and 1 000 ℃ GB/T 6678-2003 General principles for sampling chemical products GB/T 6679-2003 General rules for sampling solid chemical products GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 30544.4-2019 Nanotechnologies—Vocabulary—Part 4:Nanostructured materials GB/T 30904-2014 Inorganic chemicals for industrial use—Crystal form analysis—X-ray diffraction method GB/T 37248-2018 High purity aluminium oxide—Determination of trace metal elements—Inductively coupled plasma optical emission spectrometry GB/T 191-2025 Graphical symbols marking for handling and storage of packages