GB/T 38887-2020 Spherical graphite

GB/T 24533-2019 Graphite negative electrode materials for lithium ion battery GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 1427-2000 Sample method of carbon material GB/T 1427-2016 Sample method of carbon material GB/T 3521-1995 Method for chemical analysis of graphite GB/T 3521-2008 Method for chemical analysis of graphite GB/T 3521-2023 Methods for chemical analysis of graphite 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 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 26125-2011 Electrical and electronic products—Determination of six regulated substances(lead,mercury,cadmium,hexavalent chromium,polybrominated biphenyls,polybrominated diphenyl ethers) GB/T 191-2025 Graphical symbols marking for handling and storage of packages