GB/T 20165-2025 Rare earth polishing powder

GB/T 20165-2012 Rare earth polishing 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 14635-2020 Rare earth metals and their compounds—Determination of total rare earth content GB/T 18115.2-2000 Cerium oxide—Determination of lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide and yttrium oxide contets—Inductively coupled plasma atomic emission spectrographic method GB/T 18115.2-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Cerium—Determination of lanthanum,praseodymium,neodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium,lutetium and yttrium contents GB/T 18115.2-2020 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 2:Determination of lanthanum,praseodymium,neodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium,lutetium and yttrium content in cerium metal and oxide GB/T 20166.1-2006 Chemical analysis methods of rare earth polishing powder—Determination of cerium oxide content—Titrimetric analysis method GB/T 20166.1-2012 Chemical analysis methods of rare earth polishing powder—Part 1:Determination of cerium oxide content—Titrimetry GB/T 20166.2-2006 Chemical analysis methods of rare earth polishing powder—Determination fluorine content—Ion selective electrode analysis GB/T 20166.2-2012 Chemical analysis methods of rare earth polishing powder—Part 2:Determination fluorine content—Ion selective electrode analysis GB/T 20167-2006 Physical test method of rare earth polishing powder—Determination of burnishing mass—Gravimetric analysis method GB/T 20167-2012 Physical test method of rare earth polishing powder—Determination of burnishing mass and scratch—Gravimetry 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 40795.2-2021 Chemical analysis methods of lanthanum-cerium metals and their compounds—Part 2:Determination of rare earth content JJG 119-2018 Laboratory pH Meters