XB/T 224-2013 (English Version) PDF

Scope: This standard specifies the requirements, test methods, inspection rules and packaging, marking, transportation and storage of lanthanum, praseodymium and neodymium oxides. This standard applies to lanthanum, praseodymium and neodymium oxides produced by chemical methods and used for making ceramic capacitors, etc.

XB/T 224-2013 Referenced Document

GB/T 12690.15 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides―Part 15: Determination of calcium content*， 2018-07-13 Update
GB/T 12690.2 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*， 2015-09-11 Update
GB/T 12690.6 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 6: Determination of iron content—Kslium thiocyanate, 1,10-Phenanthroline spectrophotometric method*， 2017-10-14 Update
GB/T 12690.7-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of silicon content-Molybdenum blue spectrophotometric method
GB/T 12690.9 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 14635-2008 Rare earth metals and their compounds.Determination of total rare earth contents
GB/T 20170.1 Test method of physical characters of rare earth metals and compounds.Determination for particle size distribution of rare earth compounds
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values