GB/T 36541-2018 Cerium-aluminium alloys

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 12690.1-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides—Determination of carbon and sulfur contents—High frequency-infrared absorption method GB/T 12690.1-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 1:Determination of carbon and sulfur contents—High frequency-infrared absorption method GB/T 12690.1-2022 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1:Determination of carbon and sulfur contents—High frequency-infrared absorption method GB/T 16484.1-1996 Methods for chemical analysis of rare earth chloride and carbonate—Determination of cerium oxide content GB/T 16484.1-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate—Part 1:Determination of cerium oxide content—Ammonium ferrous sulfate titrimetry GB/T 17803-1999 Designation system for rare earth products GB/T 17803-2015 Designation system for rare earth products