GB/T 43114-2023 Hard carbon

GB/T 4369-2015 Lithium GB/T 24533-2019 Graphite negative electrode materials for lithium ion battery GB/T 1427-2000 Sample method of carbon material GB/T 1427-2016 Sample method of carbon material 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 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 8719-1997 General rule for packing, marking, storage, transport and quality certificates of carbonaceous material and products GB/T 8719-2009 General rule for packing,marking,storage,transport and quality certificates of carbonaceous material and products GB/T 8719-2022 General rule for packing,marking,storage,transport and quality certificates of carbonaceous material and products GB/T 19077-2016 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 19587-2004 Determination of the specific surface area of solids by gas adsorption using the BET method GB/T 19587-2017 Determination of the specific surface area of solids by gas adsorption using the BET method GB/T 21354-2008 Powders—Determination of tap density GB/T 19077-2024 Particle size analysis—Laser diffraction methods