Rare earth impurities

Rare earth impurities, Total:44 items.

The international standard classification for "Rare earth impurities" includes: Other non-ferrous metals and their alloys .

The Chinese standard classification for "Rare earth impurities" includes: Rare metals and their alloys analysis method , Rare metals and their alloys .

Professional Standard - Ferrous Metallurgy

YB/T 1507-1977 Method for Determination of Rare Earth Impurities in Gadolinium Oxide by Emission Spectroscopy
YB/T 1505-1977 Method for Determining Emission Spectra of Rare Earth Impurities in Samarium Oxide

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 12690.10-2003 Gadolinium oxide-Determination of samarium oxide, europium oxide, terbium oxide, dysprosium oxide a
GB/T 12690.16-2010 Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides—Part 16:Determination of fluorine content—Ion selective electrode analysis
GB/T 18115.15-2010 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 15:Lutetium—Determination of lanthanum,cerium,praseodymium,neodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium and yttri
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 26416.2-2022 Chemical analysis method for rare earth ferroalloy—Part 2: Determination of rare earth impurity contents—Inductively coupled plasma emission spectrometry
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 12690.1-2022 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 18115.11-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Erbium - Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, ga
GB/T 18115.5-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Samarium - Determination of lanthanum, cerium, praseodymium, neodymium, europium, gadolinium,
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 12690.1-2015 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 26416.2-2010 Chemical analysis methods of dysprosium ferroalloy—Part 2:Determination of rare earth impurity contents—Inductively coupled plasma atomic emission spectrometry
GB/T 12690.17-2010 Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides—Part 17:Determination of niobium and tantalum contents of rare earth metals
GB/T 12690.15-2006 Chemical analysis methods for non-rare earth metals and their oxide Determination of calcium oxide content
GB/T 18115.12-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Yttrium - Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lu
GB/T 12690.14-2006 Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides Determination of titanium in rare earth metals
GB/T 18115.6-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Europium - Determination of lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium,
GB/T 18115.2-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxide Cerium - Determination of lanthanum, praseodymium, neodymium, samarium, europium, gadolinium,
GB/T 18115.8-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Terbium - Determination of lanthanum, cerium, praseodymium, nodymium, samarium, europium, gad
GB/T 12690.12-2003 Neodymium and samarium-Determination of oxygen content-Impulse-infrared absorption method
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 12690.7-2003 Neodymium and neodymium oxide-Determination of lanthanum oxide, cerium oxide, praseodymium oxide, s
GB/T 12690.11-2003 Terbium oxide-Determination of lanthanum oxide,cerium oxide,praseodymium oxide,neodymium oxide,sama
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 absorptoin method
GB/T 18115.14-2010 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 14:Ytterbium—Determination of lanthanum,cerium,praseodymium,neodymium,samarium,europium
GB/T 12690.4-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Deter
GB/T 12690.8-2003 Neodymium and neodymium oxide-Determination of lanthanum oxide, cerium oxide, praseodymium oxide, s
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 18115.1-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Lanthanum - Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and y
GB/T 18115.3-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Praseodymium - Determination of lanthanum, cerium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and y
GB/T 18115.10-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Holmium - Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, g
GB/T 18115.4-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Neodymium - Determination of lanthanum, cerium, praseodymium, samarium, europium, gadolinium,
GB/T 12690.6-2003 Praseodymium oxide-Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide
GB/T 18115.9-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Dysprosium - Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium,

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 18115.4-2021 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 4:Determination of lanthanum,cerium,praseodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium,lutetium and yttrium contents
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 12690.8-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 8:Determination of sodium content
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 conten
GB/T 12690.4-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method

Professional Standard - Rare Earth

XB/T 614.5-2011 Chemical analysis methods of gadolinium-magnesium alloy—Part 5:Determination of rare earth impurity content
XB/T 616.2-2012 Chemical analysis methods of gadolinium ferroalloy—Part 2:Determination of rare earth impurity contents—Inductively coupled plasma atomic emission spectrometry

International Organization for Standardization (ISO)

ISO/FDIS 24181-1:2024 Rare Earth-Determination of non-rare earth impurities in individual rare earth metals and their oxides-ICP-AES