GB/T 31968-2025 Rare earth composite yttrium zirconium oxide ceramic powder

GB/T 31968-2015 Rare earth composite yttrium zirconium oxide ceramic powder

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 12690.2-2002 Chemical analysis methods for non—RE impurity of rare earth metals and their oxides—Determination of ignition loss content of rare earth oxides—Gravimetric method GB/T 12690.2-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 2:Determination of ignition loss content of rare earth oxides—Gravimetric method GB/T 12690.3-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides—Determination of water content of rare earth oxides—Gravimetric method GB/T 12690.3-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 3:Determination of water content of rare earth oxides—Gravimetric method GB/T 12690.7-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 7:Determination of silicon content GB/T 12690.9-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides Determination of chlorine content Silver nitrate turbidimetric method GB/T 17803-1999 Designation system for rare earth products GB/T 17803-2015 Designation system for rare earth products GB/T 20170.1-2006 Test methods for physical characters of rare earth metals and their compounds—Determination for particle size distribution of rare earth compounds GB/T 20170.2-2006 Test method of physical characters of rare earth metals and compounds—Determination on specific surface area of rare earth compounds GB/T 31057.1-2014 Granular materials—The physical properties—Part 1:Determination of apparent density GB 39176-2020 Rare earth products packing,marking,transport and storage GB/T 43358-2023 Rare earth mineral and rare earth products—Determination of gross alpha and beta radio activity—Thick source method XB/T 625-2020 The Chemical Analysis Method for Rare Earth Composite Yttrium Zirconate Ceramic Materials (XB/T 625-2020) - Determination of Titania, Alumina, Sodium Oxide, and Iron Oxide Content XB/T 631-2023 The chemical analysis method for rare earth composite yttrium zirconium ceramic materials: determination of the contents of zirconia, yttrium oxide, and hafnium oxide