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Content of Gadolinium Oxide in Rare Earth Ore

Content of Gadolinium Oxide in Rare Earth Ore, Total:193 items.

In the international standard classification, Content of Gadolinium Oxide in Rare Earth Ore involves: Non-metalliferous minerals, Testing of metals, Metalliferous minerals, Production in the chemical industry, Non-ferrous metals, Products of the chemical industry, Inorganic chemicals, Nuclear energy engineering, Cereals, pulses and derived products, Pesticides and other agrochemicals, Soil quality. Pedology, Water quality, Construction materials, Plastics.

VN-TCVN, Content of Gadolinium Oxide in Rare Earth Ore

TCVN 2822-1987 Rare-earth ores.Method for the determination of total oxide of rare earth elements, uranium oxide and thorium oxide contents
TCVN 3979-1984 Ores of rare-earth and radio.active elements.Method for the determination of oxide of rare-earth elements
TCVN 2829-1979 Bauxite.Method for the determination of magnesium oxide and calcium oxide contents
TCVN 5362-1991 Graphite.Method for the determination of total oxide content of rare earth elements
TCVN 4426-1987 Sandstone.Method for the determination of total rare-earth elements and thorium oxide contents
TCVN 6865-2001 Soil quality.Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions

RO-ASRO, Content of Gadolinium Oxide in Rare Earth Ore

STAS SR 13155-6-1996 Ores and rare earths concentrates Determination of silicon dioxide content
STAS SR 13155-7-1996 Ores and rare earths concentrates. Determination of ferrous oxide content
STAS SR 13155-10-1997 Ores and rare earths concentrates Method for determination of calciun oxid content
STAS SR 13155-5-1996 Ores and rare earths concentrates Determination of aluminium oxide content
STAS 4813/4-1992 Bauxite. Determination of silicon dioxide content

Professional Standard - Ferrous Metallurgy, Content of Gadolinium Oxide in Rare Earth Ore

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

International Organization for Standardization (ISO), Content of Gadolinium Oxide in Rare Earth Ore

ISO/DIS 23597 Rare earth — Determination of rare earth content in individual rare earth metal and their oxides — Titration method
ISO/FDIS 23597 Rare earth — Determination of rare earth content in individual rare earth metal and their oxides — Titration method
ISO 23597:2023 Rare earth — Determination of rare earth content in individual rare earth metals and their oxides — Titration method
ISO/DIS 23596 Rare earth — Determination of rare earth content in individual rare earth metal and their compounds — Gravimetric method
ISO/FDIS 23596 Rare earth — Determination of rare earth content in individual rare earth metal and their compounds — Gravimetric method
ISO 23596:2023 Rare earth — Determination of rare earth content in individual rare earth metals and their compounds — Gravimetric method
ISO 16796:2004 Nuclear energy - Determination of Gd<(Index)2>O<(Index)3> content in gadolinium fuel blends and gadolinium fuel pellets by atomic emission spectrometry using an inductively coupled plasma source (ICP-AES)
ISO 14239:2017 Soil quality - Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions

British Standards Institution (BSI), Content of Gadolinium Oxide in Rare Earth Ore

BS ISO 23597:2023 Rare earth. Determination of rare earth content in individual rare earth metals and their oxides. Titration method
22/30390772 DC BS ISO 23596. Rare earth. Determination of rare earth content in individual rare earth metal and their oxides. Gravimetric method
22/30390775 DC BS ISO 23597. Rare earth. Determination of rare earth content in individual rare earth metal and their oxides. Titration method
BS ISO 23596:2023 Rare earth. Determination of rare earth content in individual rare earth metals and their compounds. Gravimetric method
BS ISO 16424:2012 Nuclear energy. Evaluation of homogeneity of Gd distribution within gadolinium fuel blends and determination of Gd2O3 content in gadolinium fuel pellets by measurements of uranium and gadolinium elements
BS ISO 14239:2017 Soil quality. Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions
BS EN ISO 14239:2020 Soil quality. Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions

RU-GOST R, Content of Gadolinium Oxide in Rare Earth Ore

GOST 25702.6-1983 Raremetallic concentrates. Method for the determination of calcium oxide
GOST 25702.2-1983 Raremetallic concentrates. Method for the determination of barium oxide
GOST 25702.7-1983 Raremetallic concentrates. Methods for the determination of silicon dioxide
GOST 25702.14-1983 Raremetallic concentrates. Methods for the determination of titanium dioxide
GOST 25702.17-1983 Raremetallic concentrates. Method for the determination of zirconium dioxide
GOST 25702.8-1983 Raremetallic concentrates. Methods for the determination of niobium pentoxide
GOST 25702.1-1983 Raremetallic concentrates. Method for the determination of alumina
GOST 25702.13-1983 Raremetallic concentrates. Methods for the determination of tantalium pentoxide
GOST 25702.15-1983 Raremetallic concentrates. Methods for the determination of phosphorus pentoxide
GOST 25702.16-1983 Raremetallic concentrates. Methods for the determination of chromium oxide
GOST 25702.9-1983 Raremetallic concentrates. Method for the determination of sum of niobium and tantalium pentoxide
GOST 14657.9-1996 Bauxite. Methods for determination of carbon dioxide content
GOST 14657.15-1996 Bauxite. Method for determination of iron oxide (II) content
GOST 14657.15-1978 Bauxite. Method for the determination of iron oxide (II)
GOST 14657.9-1982 Bauxite. Method for the determination of carbon dioxide
GOST 25702.18-1983 Raremetallic concentrates. Spectral methods of the determination of alumina, barium, iron, calcium, silicon, magnium, niobium, tantalium, titanium, zirconium and chromium oxide

Group Standards of the People's Republic of China, Content of Gadolinium Oxide in Rare Earth Ore

T/GZHG 032-2022 Determination of Rare Earth Content in Phosphate Rock
T/SDAQI 035-2021 Determination of iron oxide content in bauxite Sulfosalicylic acid spectrophotometric method

国家市场监督管理总局、中国国家标准化管理委员会, Content of Gadolinium Oxide in Rare Earth Ore

GB/T 18882.3-2019 Chemical analysis methods for mixed rare earth oxide of ion-absorption rare earth ore—Part 3: Determination of silicon dioxide content
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 yttri
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 yt
GB/T 18115.1-2020 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 1: Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and ytt
GB/T 12690.15-2018 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides―Part 15: Determination of calcium content
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 12690.19-2018 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19: Determination of arsenic and mercury contents
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

工业和信息化部, Content of Gadolinium Oxide in Rare Earth Ore

YS/T 575.14-2020 Methods of chemical analysis of bauxite ores Part 14: Determination of rare earth oxide content
XB/T 625-2020 Chemical analysis method of rare earth composite yttrium-zirconium ceramic materials. Determination of titanium oxide, aluminum oxide, sodium oxide and iron oxide content.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Content of Gadolinium Oxide in Rare Earth Ore

GB/T 16484.5-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of barium oxide content in rare earth chloride
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 18115.12-2006 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 lutetium conte
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, gadolinium,terbium,dysprosium,holmium,thulium, ytterbium and lutetium and yttrium
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, gadolinium,terbium,dysprosium,erbium,thulium, ytterbium, lutetium and yttrium cont
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, gadolinium,terbium,holmium,erbium,thulium, ytterbium, lutetium and yttrium cont
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,neodymium,samarium,europium, gadolinium,dysprosium,holmium,erbium,thulium, ytterbium, lutetium and yttrium cont
GB/T 18115.7-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Gadolinium.Determination of lanthanum,cerium,praseodymium,neodymium,samarium,europium, terbium,dysprosium,holmium,erbium,thulium, ytterbium, lutetium and yttrium cont
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, terbium,dysprosium,holmium,erbium,thulium, ytterbium, lutetium and yttrium cont
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, terbium,dysprosium,holmium,erbium,thulium, ytterbium, lutetium and yttrium cont
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, terbium,dysprosium,holmium,erbium,thulium, ytterbium, lutetium and yttrium cont
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 yttrium cont
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 cont
GB/T 18882.2-2008 Chemical analysis methods for mixed rare earth oxide of ion-absorpted type RE ore.Determination of aluminum oxide content
GB/T 12690.10-1990 Gadolinium oxide--Determination of samarium oxide, europium oxide, terbium oxide, dysprosium oxide and yttrium oxide contents--Emission spectrographic method
GB/T 18882.1-2008 Chemical analysis methods of mixed rare earth oxide of ion-absorpted type RE ore.Determination of fifteen REO relative content
GB/T 18114.1-2010 Chemical analysis methods of rare earth concentrates.Part 1:Determination of total rare earth oxide contents.Gravimetry
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 12690.2-2015 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 18115.13-2010 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides.Part 13:Thulium.Determination of lanthanum,cerium,praseodymium,neodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium,ytterbium,lutetium and yttrium
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,gadolinium,terbium,dysprosium,holmium,erbium,thulium,lutetium and yttrium
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, ytterbiu
GB/T 18882.1-2023 Methods for chemical analysis of mixed rare earth oxides of ionic rare earth ores - Part 1: Determination of the proportions of fifteen rare earth element oxides
GB/T 12690.14-1990 Lanthanum oxide, cerium oxide, neodymium oxide, gadolinium oxide--Determination of cobalt, iron,manganese, nichel, copper, ckromium, lead and zinc in oxides contents--Emission spectrographic method
GB/T 23594.1-2009 Chemical analysis methods of rare earth contents in samarium-europium-gadolinium concentrates.Part 1:Determination of total rare earth oxide content.Gravimetry
GB/T 18882.2-2002 Chemical analysis methods for mixed rare earth oxide of ion-absorpted type RE ore-Determination of fifteen REO relative content--X-ray fluorescence spectrometric method
GB/T 12690.2-2015(英文版) 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 12690.11-1990 Terbium oxide--Determination of lanthanum oxide,cerium oxide,praseodymium oxide,neodymium oxide,samarium oxide,europium oxide,gadolinium oxide,dysprosium oxide,holmium oxide,erbium oxide and yttrium oxide contents--Emission spectrographi
GB/T 12690.14-2006 Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxide.Determination of titanium in 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 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 18114.2-2010 Chemical analysis methods of rare earth concentrates.Part 2: Determination of oxide thorium content
GB/T 18114.3-2010 Chemical analysis methods of rare earth concentrates.Part 3: Determination of calcium oxide content
GB/T 18114.6-2010 Chemical analysis methods of rare earth concentrates.Part 6：Determination of silicon oxide content
GB/T 18882.3-2002 Chemical analysis methods for mixed rare earth oxide of ion-absorpted type RE ore-Determination of fifteen REO relative content-Inductively coupled plasma atomic emission spectrographic method
GB/T 18114.1-2000 Methods for chemical analysis of monazite concentrates-Determination of total rare earth and thorium oxide content
GB/T 1871.4-1995 Phosphate rock and concentrate--Determination of calcium oxide content--Volumetric methods
GB/T 1880-1995 Phosphate rock and concentrate--Determination of sulfur trioxide content--Gravimetric method
GB/T 18115.1-2000 Lanthanum oxide-Determination of cerium 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 conten
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 conten
GB/T 18115.5-2000 Samarium oxide-Determination of lanthanum oxide,cerium oxide,praseodymium oxide,neodymium oxide,europium oxide,gadolinium oxide,terbium oxide,dysprosium oxide,holmium oxide,erbium oxide,thulium oxide,ytterbium oxide,lutetium oxide and yttrium oxide conten
GB/T 18115.6-2000 Gadolinium oxide-Determination of lanthanum oxide,cerium oxide,praseodymium oxide,neodymium oxide,samarium oxide europium oxide,terbium oxide,dysprosium oxide,holmium oxide,erbium oxide,thulium oxide,ytterbium oxide,lutetium oxide and yttrium oxide conten
GB/T 18115.7-2000 Terbium oxide-Determination of lanthanum oxide,cerium oxide,praseodymium oxide,neodymium oxide,samarium oxide,europium oxide,gadolinium oxide,dysprosium oxide,holmium oxide,erbium oxide,thulium oxide,ytterbium oxide,lutetium oxide and yttrium oxide conten
GB/T 18115.9-2000 Holmium oxide-Determination of lanthanum oxide,cerium oxide,praseodymium oxide,neodymium oxide,samarium oxide,europium oxide,gadolinium oxide,terbium oxide,dysprosium oxide,erbium oxide,thulium oxide,ytterbium oxide,lutetium oxide and yttrium oxide conten
GB/T 18115.8-2000 Dysprosium oxide-Determination of lanthanum oxide,ceriurm oxide,praseodymium oxide,neodymium oxide,samarium oxide,eueropium oxide,gadolinium oxide,terbium oxide,holmium oxide,erbium oxide,thulium oxide,ytterbium oxide,luteclum oxide and yttrium oxide cont
GB/T 18115.4-2000 Neodynium oxide-Determination of lanthanum oxide,cerium oxide,praseodymium oxide,samarium oxide,europium oxide,gadolinium oxide,terbium oxide,dysprosium oxide,holmium oxide,erbium oxide,thulium oxide,ytterbium oxide,lutetium oxide and yttrium oxide conten
GB/T 18115.10-2000 Erbium oxide-Determination of lanthanum oxide,cerium oxide,praseodymium oxide,neodymium oxide,samarium oxide,europium oxide,gadolinium oxide,terbium oxide,dysprosium oxide,holmium oxide,thulium oxide,ytterbium oxide,lutetium oxide and yttrium oxide conten
GB/T 18115.3-2000 Praseodymium oxide-Determination of lanthanum oxide,cerium 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 conte
GB/T 1876-1995 Phosphate rock and concentrate--Determination of carbon dioxide content--Gasometric 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 1873-1995 Phosphate rock and concentrate--Determination of silicon dioxide content--Gravimetric and volumetric methods
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 12690.10-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of phosphorus content by molybdenum blue spectrophotometric method
GB/T 12690.4-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides Determination of oxygen and nitrogen content Impulse-infrared and impulse-thermal conductance absorption method
GB/T 12690.11-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of magnesium content-Flame atomic absorption spectrometric method
GB/T 12690.8-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of sodium content-Flame atomic absorption spectrometric method
GB/T 18114.7-2010 Chemical analysis methods of rare earth concentrates.Part 7: Determination of iron oxide content.Potassium dichromate titration
GB/T 18114.4-2010 Chemical analysis methods of rare earth concentrates.Part 4: Determination of niobium oxide, zirconium oxide and titanium oxide contents.Inductively coupled plasma atomic emission spectrometry
GB/T 1877-1995 Phosphate rock and concentrate--Determination of manganese oxide content--spectrophotometric and volumetric methods
GB/T 1871.3-1995 Phosphate rock and concentrate--Determination of aluminum oxide content--Volumetric and spectrophotometric methods
GB/T 18114.8-2010 Chemical analysis methods of rare earth concentrates.Part 8: Determination of fifteen rare earth oxcide relative contents.Inductively coupled plasma emission spectrometry
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 12690.16-2010 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 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 1871.2-1995 Phosphate rock and concentrate--Determination of iron oxide content--Volumetric and spectrophotometric methods
GB/T 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB/T 12690.6-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of iron content-Kalium thiocyanate,1,10-phenanthroline spectrophotometric method
GB/T 1879-1995 Phosphate rock and concentrate--Determination of potassium oxide content--Flame atomic absorption spectrometric method
GB/T 1881-1995 Phosphate rock and concentrate--Determination of strontium oxide content--Flame atomic absorption spectrometric method
GB/T 13551-1995 Phosphate rock and concentrate--Determination of cadmium oxide content--Flame atomic absorption sepctrometric method
GB/T 18114.9-2010 Chemical analysis methods of rare earth concentrates.Part 9: Determination of phosphorus pentoxide content.Phosphorus-bismuth-molybdenum blue spectrophotometry
GB/T 1871.1-1995 Phosphate rock and concentrate--Determination of phosphrous pentoxide content--Quinoline phosphomolybate gravimetric and volumetric methods
GB/T 26416.5-2022 Chemical analysis method for rare earth ferroalloy—Part 5: Determination of oxygen content—Impulse-infrared absorption method
GB/T 23594.2-2009 Chemical analysis methods of rare earth contents in samarium-europium-gadolinium concentrates.Part 2:Determination of fifteen rare earth oxide relative contents.Inductively coupled plasma emission spectrometry
GB/T 1871.5-1995 Phosphate rock and concentrate--Determination of magnesium oxide content--Flame atomic absorption spctrometric and volumetric methods
GB/T 18114.5-2010 Chemical analysis methods of rare earth concentrates.Part 5: Determination of aluminum oxide content.Inductively coupled plasma atomic emission spectrometry
GB/T 12690.12-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of thorium content-Arsenazo III spectrophotometric method and inductively coupled plasma mass spectrum method

Japanese Industrial Standards Committee (JISC), Content of Gadolinium Oxide in Rare Earth Ore

JIS M 8404:1976 Methods for determination of rare earths in ores
JIS M 8406:1976 Method for determination of yttrium group rare earths in ores

American Society for Testing and Materials (ASTM), Content of Gadolinium Oxide in Rare Earth Ore

ASTM C1502-09 Standard Test Method for Determination of Total Chlorine and Fluorine in Uranium Dioxide and Gadolinium Oxide
ASTM C1502-16 Standard Test Method for Determination of Total Chlorine and Fluorine in Uranium Dioxide and Gadolinium Oxide
ASTM C1502-01 Standard Test Method for Determination of Total Chlorine and Fluorine in Uranium Dioxide and Gadolinium Oxide
ASTM E247-01(2010) Standard Test Method for Determination of Silica in Manganese Ores, Iron Ores, and Related Materials by Gravimetry
ASTM E465-00 Standard Test Methods for Determination of Manganese (IV) in Manganese Ores by Redox Titration
ASTM E465-00(2005) Standard Test Methods for Determination of Manganese (IV) in Manganese Ores by Redox Titration

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Content of Gadolinium Oxide in Rare Earth Ore

GB/T 18882.2-2017 Chemical analysis methods for mixed rare earth oxide of ion-absorpted type rare earth ore—Part 2:Determination of aluminum oxide content
GB/T 12690.18-2017 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides— Part 18: Determination of zirconium content
GB/T 12690.5-2017 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 5: Determination of cobalt,manganese,lead,nickel,copper,zinc,aluminum,chromium,magnesium,cadmium,vanadium and iron contents
GB/T 12690.6-2017 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

Professional Standard - Commodity Inspection, Content of Gadolinium Oxide in Rare Earth Ore

SN/T 0065.3-2011 Determination of europium-rich, yttrium-rich, samarium-europium-gadolinium oxides for import and export Part 3: Determination of the total amount of rare earth oxides
SN/T 2763.8-2014 Chemical analysis of nickel laterite ore.Part 8:Determination of magnesium oxide content
SN/T 4374-2015 Determination of iron oxide, aluminium oxide and magnesium oxide content in phosphate rock and concentrate.Inductively coupled plasma optical emission spectrometric method
SN/T 3012-2011 Determination of tungsten trioxide in tungsten ores.X-ray fluorescence spectrometry

Indonesia Standards, Content of Gadolinium Oxide in Rare Earth Ore

SNI 13-4698-1998 Determination of manganese dioxide (MnO2) in manganese ores sample
SNI 13-6620-2001 Determination for Al2O3, Fe2O3, CaO and MgO content of clay by volumetry

CZ-CSN, Content of Gadolinium Oxide in Rare Earth Ore

CSN 44 1868-1989 Bauxite. Determination of aluminium oxide. The volumetric method
CSN 44 1880-1984 Bauxite Determination of phosphorus pentoxide. Photometric method.
CSN 44 1583 Cast.3-1972 Chemical analysis of bauxite Determination of moisture content
CSN 44 1875-1983 Bauxite. Determination of vanadium oxide. The potenciometric and photometric methods.

Inner Mongolia Provincial Standard of the People's Republic of China, Content of Gadolinium Oxide in Rare Earth Ore

DB15/T 925-2015 Chemical analysis method for non-rare earth impurities in single rare earth oxides Determination of aluminum oxide, chromium oxide, manganese oxide, cobalt oxide, nickel oxide, copper oxide, zinc oxide, lead oxide, cadmium oxide and arsenic oxide by induc
DB15/T 926-2015 Determination of Alumina Amount in Miscellaneous Rare Earth Products by Inductively Coupled Plasma Optical Emission Spectrometry

YU-JUS, Content of Gadolinium Oxide in Rare Earth Ore

JUS B.G8.512-1982 Bauxite. Methods of analysis, Determination of alumina
JUS B.G8.513-1982 Baunite. Methods of analysis. Determination of iron oxidecontent
JUS B.G8.514-1982 BauKite. Methods of analysis. Methods for determination of titanium dioxide content

Professional Standard - Chemical Industry, Content of Gadolinium Oxide in Rare Earth Ore

HG/T 2956.6-2001 Ascharite ores - Determination of calcium and magnesium oxides content - Volumetric method
HG/T 2956.3-2001 Ascharite ores - Determination of boric anhydride content - Volumetric method
HG/T 2956.5-2001 Ascharite ores - Determination of ferrous oxide content - Potassium dichromate volumetric method

Professional Standard - Rare Earth, Content of Gadolinium Oxide in Rare Earth Ore

XB/T 620.3-2015 Chemical Analysis Methods of Waste Rare Earth Phosphor Powder Part 3: Determination of Yttrium Oxide, Lanthanum Oxide, Cerium Oxide, Europium Oxide, Gadolinium Oxide, Terbium Oxide, Dysprosium Oxide by Inductively Coupled Plasma Atomic Emission Spectromet
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

Professional Standard - Agriculture, Content of Gadolinium Oxide in Rare Earth Ore

NY/T 30-1986 Determination of rare earth oxide content in soil.Chlorophosphonazo-p-hippuric acid photometric method
GB 6260-1986 Determination of Total Oxidized Rare Earth in Soil Spectrophotometric Method for Azochlorophosphorus Hippurate

Professional Standard - Non-ferrous Metal, Content of Gadolinium Oxide in Rare Earth Ore

YS/T 575.14-2007 Methods for chemical analysis of bauxite.Part 14:Determination the total content of rare earth oxide.Tribromo-arsenazo photometric method
YS/T 575.1-2007 Methods for chemical analysis of bauxite.Part1:Determination of aluminium oxide content.EDTA titrimetric method
YS/T 575.9-2007 Methods for chemical analysis of bauxite.Part 9:Determination of potassium oxide and sodium oxide content.Flame atomic absorption spectrophotometric method
YS/T 575.2-2007 Methods for chemical analysis of bauxite.Part2:Determination of silicon dioxide content.Gravimetric-molybdenum blue photometric method
YS/T 575.3-2007 Methods for chemical analysis of bauxite.Part3:Determination of silicon dioxide content.Molybdenum blue photometric method
YS/T 575.16-2007 Methods for chemical analysis of bauxite.Part 16:Determination of phosphorus pentoxide content.Molybdenum blue spectrophotometric method

Professional Standard - Forestry, Content of Gadolinium Oxide in Rare Earth Ore

LY/T 1221-1999 Determination of carbon dioxide content in forest soil air

Association Francaise de Normalisation, Content of Gadolinium Oxide in Rare Earth Ore

NF P18-449*NF EN 13577:2007 Chemical attack on concrete - Determination of aggressive carbon dioxide content in water
NF EN ISO 14239:2020 Qualité du sol - Systèmes d'incubation de laboratoire destinés à la mesure de la minéralisation de produits chimiques organiques dans le sol en conditions aérobies

Korean Agency for Technology and Standards (KATS), Content of Gadolinium Oxide in Rare Earth Ore

KS I ISO 14239:2009 Soil quality－Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions
KS M ISO 17556:2020 Plastics — Determination of the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved
KS M ISO 17556:2015 Plastics－Determination of the ultimate aerobic biodegradability in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved

European Committee for Standardization (CEN), Content of Gadolinium Oxide in Rare Earth Ore

EN ISO 14239:2020 Soil quality - Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions (ISO 14239:2017)
EN 13577:2007 Chemical attack on concrete - Determination of aggressive carbon dioxide content in water

Danish Standards Foundation, Content of Gadolinium Oxide in Rare Earth Ore

DS/EN 13577:2007 Chemical attack on concrete - Determination of aggressive carbon dioxide content in water
DS/ISO 14239:1998 Soil quality - Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions

Lithuanian Standards Office , Content of Gadolinium Oxide in Rare Earth Ore

LST EN 13577-2007 Chemical attack on concrete - Determination of aggressive carbon dioxide content in water

AENOR, Content of Gadolinium Oxide in Rare Earth Ore

UNE-EN 13577:2008 Chemical attack on concrete - Determination of aggressive carbon dioxide content in water

HU-MSZT, Content of Gadolinium Oxide in Rare Earth Ore

MSZ 14214/12.lap-1968

German Institute for Standardization, Content of Gadolinium Oxide in Rare Earth Ore

DIN ISO 14239:1999 Soil quality - Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions (ISO 14239:1997)
DIN EN 13577:2007 Chemical attack on concrete - Determination of aggressive carbon dioxide content in water; German version EN 13577:2007
DIN EN 13577:2007-07 Chemical attack on concrete - Determination of aggressive carbon dioxide content in water; German version EN 13577:2007
DIN EN ISO 14239:2021-02 Soil quality - Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions (ISO 14239:2017); German version EN ISO 14239:2020

ES-UNE, Content of Gadolinium Oxide in Rare Earth Ore

UNE-EN ISO 14239:2020 Soil quality - Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions (ISO 14239:2017) (Endorsed by Asociación Española de Normalización in June of 2020.)

KR-KS, Content of Gadolinium Oxide in Rare Earth Ore

KS M ISO 17556-2020 Plastics — Determination of the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved