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Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand, Total:169 items.

In the international standard classification, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand involves: Non-ferrous metals, Inorganic chemicals, Fertilizers, Water quality, Iron and steel products, Products of the chemical industry, Metalliferous minerals, Ferroalloys, Chipless working equipment, Analytical chemistry.

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, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

GB/T 34500.2-2017 Chemical analysis methods for rare earth residue and waste water—Part 2：Determination of chemical oxygen demand（COD）
GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content
GB/T 34500.1-2017 Chemical analysis methods for rare earth residue and waste water—Part 1：Determination of fluorine content—Ion selective electrode analysis
GB/T 34500.3-2017 Chemical analysis methods for rare earth waste residue and waste water—Part 3: Determination of weak radioactivity（total activity of αandβ）
GB/T 34500.4-2017 Chemical analysis methods for rare earth waste residue and waste water—Part 4: Determination of copper, zinc, lead, chromium, cadmium, barium, cobalt, manganese, nickel and titanium contents—Inductively coupled plasma emission spectrometry
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 - Rare Earth, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

XB/T 620.1-2015 Chemical Analysis Methods of Waste Rare Earth Phosphor Powder Part 1: Determination of Total Rare Earth Oxides
XB/T 612.1-2009 Chemical analysis methods of scraps of neodymium iron boron-Part 1:Determination of total rare earth oxides content-Gravimetry
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 615-2012 Chemical analysis method of rare earths fluoride.Determination of fluorine content.Water vapor distillation-EDTA titration
XB/T 612.2-2019 Chemical analysis methods of scraps of neodymium iron boron-Part 2:Determination of fifteen REO relative contents-Inductively coupled plasma atomic emission spectrometry
XB/T 612.2-2009 Chemical analysis methods of scraps of neodymium iron boron-Part 2:Determination of fifteen REO relative contents-Inductively coupled plasma atomic emission spectrometry
XB/T 620.2-2015 Chemical Analysis Methods of Waste Rare Earth Phosphor Powder Part 2: Determination of Lead, Cadmium and Mercury Amounts by Inductively Coupled Plasma Emission Spectrometry

工业和信息化部, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

XB/T 612.1-2019 Chemical analysis methods of scraps of neodymium iron boron-Part 1:Determination of total rare earth oxides content-Gravimetry
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.
XB/T 622.6-2017 Methods for chemical analysis of rare earth hydrogen storage alloys Part 6: Determination of oxygen content Pulse heating infrared absorption method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

GB/T 16484.19-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of total rare earth oxide content
GB/T 16484.7-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of magnesium oxide content
GB/T 16484.6-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of calcium oxide content
GB/T 16484.11-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of lead oxide content
GB/T 16484.9-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of nichel oxide content
GB/T 16484.10-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of manganese oxide content
GB/T 16484.4-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of thorium oxide content
GB/T 16484.8-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of sodium oxide content
GB/T 16484.2-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of europium oxide content
GB/T 16484.1-1996 Method for chemical analysis of rare earth chloride and carbonate--Determination of cerium oxide content
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 16484.5-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of barium oxide content in rare earth chloride
GB/T 12687.1-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination of total rare earth oxide content--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 12690.29-2000 Rare earth metals and their oxide Determination of cerium oxide content-Fluorescent spectrophotometric method
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 16484.16-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of water insoluble matter content in rare earth carbonate
GB/T 18114.1-2010 Chemical analysis methods of rare earth concentrates.Part 1:Determination of total rare earth oxide contents.Gravimetry
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 18882.1-2002 Chemical analysis methods for mixed rare earth oxide of ion-absorpted type RE ore-Determination of total rare earth contents-Oxalate gravimetric method
GB/T 16484.3-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide and yttrium content
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 18882.5-2002 Chemical analysis methods for mixed rare earth oxide of ion-absorpted type RE ore-Determination of aluminum oxide content-EDTA titrimetric 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 20166.1-2006 Chemical analysis methods of rare earth polishing powder.Determination of cerium oxide content.Titrimetric analysis method
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 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 18882.4-2002 Chemical analysis methods for mixed rare earth oxide of ion-absorpted type RE ore-Determination of aluminum oxide content-Atomic emission spectrographic 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 16484.16-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 16:Determination of water insoluble substance in rare earth chloride.Gravimetry
GB/T 12690.27-1990 Rare-earth metals and their oxides--Determination of ignition loss--Gravimetric method
GB/T 12690.4-1990 Cerium oxide--Determination of lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--Spectrochemical method
GB/T 12690.9-1990 Neodymium oxide--Determination of lanthanum oxide, cerium oxide, praseodymium oxide, samarium oxide and yttrium oxide contents--Spectrochemical method
GB/T 18114.6-2010 Chemical analysis methods of rare earth concentrates.Part 6：Determination of silicon oxide content
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 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 18114.1-2000 Methods for chemical analysis of monazite concentrates-Determination of total rare earth and thorium 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 12690.28-2000 Rare earth metals and their oxide-Determination of calcium oxide content-Inductively coupled plasma atomic emission spectrographic method
GB/T 20166.1-2012 Chemical analysis methods of rare earth polishing powder.Part 1:Determination of cerium oxide content.Titrimetry
GB/T 16484.4-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 4:Determination of thorium oxide content.ArsenazoⅢ spectrophotometry
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method
GB/T 16484.10-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 10:Determination of manganese oxide content.Flame atomic absorption spectrometry
GB/T 16484.11-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 11:Determination of lead oxide content.Flame atomic absorption spectrometry
GB/T 16484.22-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 22:Determination of zinc oxide content.Flame atomic absorption spectrometry
GB/T 16484.6-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 6:Determination of calcium oxide content.Flame atomic absorption spectrometry
GB/T 16484.7-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 7:Determination of magnesium oxide content.Flame atomic absorption spectrometry
GB/T 16484.8-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 8:Determination of sodium oxide content.Flame atomic absorption spectrometry
GB/T 16484.9-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 9:Determination of nickel oxide content.Flame atomic absorption 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 16484.20-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 20:Determination of nickel oxide,manganese oxide,lead oxide,aluminum oxide,zinc oxide,thorium oxide content.Inductively coupled plasma mass spectrometry
GB/T 16484.21-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 21:Determination of iron oxide content.1,10-phenanthroline spectrophotometry
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 12690.9-2003 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 18114.10-2010 Chemical analysis methods of rare earth concentrates.Part 10: Determination of water content.Gravimetry
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 12690.2-1990 Lanthanum oxide--Determination of neodymium oxide, cerium oxide, praseodymium oxide, samarium oxide and yttrium oxide contents-Emission spectrographic method
GB/T 12690.6-1990 Praseodymium oxide--Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--Emission spectrographic method
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 16477.3-1996 Methods for chemical analysis of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy.Determination of magnesia content
GB/T 16484.2-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 2:Determination of europium oxide content.Inductively coupled plasma mass spectrometry
GB/T 12687.8-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination for the water insoluble matter content--Gravimetric 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 18114.7-2010 Chemical analysis methods of rare earth concentrates.Part 7: Determination of iron oxide content.Potassium dichromate titration
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 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 16484.5-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 5:Determination of barium oxide content.Inductively coupled plasma atomic emission spectrometry
GB/T 12690.16-1990 Rare-earth metals and their oxides--Determination of calcium content--Flame atomic absorption spectrometric method
GB/T 12690.19-1990 Rare-earth metals and their oxides--Determination of iron content--1,10-phenanthroline spectrophotometric method
GB/T 16484.3-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 3:Determination of fifteen REO relative contents.Iductively coupled plasma atomic emission spectrometry
GB/T 12690.3-1990 Cerium and cerium oxide--Determination of lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--Emission spectrographic method
GB/T 12690.5-1990 Praseodymium oxide--Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--X ray fluorescence spectrometric method
GB/T 12690.8-1990 Neodymium and neodymium oxide--Determination of lanthanum oxide, cerium oxide, praseodymium oxide, samarium oxide and yttrium oxide contents--Emission spectrographic method
GB/T 12690.17-1990 Rare-earth metals and their oxides--Determination of calcium content--Nitrous oxide-acetylene flame atomic absorption spectrometric 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 12690.16-2010 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 12690.1-1990 Lanthanum oxide--Determination of cerium oxide, praseodymium oxide, nedeodynium oxide, samarium oxide and yttrium oxide--Induetively coupled plasma atomic emission spectrographic method
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 18114.9-2010 Chemical analysis methods of rare earth concentrates.Part 9: Determination of phosphorus pentoxide content.Phosphorus-bismuth-molybdenum blue spectrophotometry
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 12690.7-1990 Neodymium and neodymium oxide--Determination of lanthanum oxide, cerium oxide, praseodymium oxide, samarium oxide, yttrium oxide contents--X-ray fluorescence spectrometric method
GB/T 26416.5-2022 Chemical analysis method for rare earth ferroalloy—Part 5: Determination of oxygen content—Impulse-infrared absorption method
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 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 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 12690.24-1990 Rare-earth metals and their oxides--Determination of aluminum content--Aluminum-chromazurol S-hexadecyl-trimethyl ammonium bromide-ethanol spectrophotometric method
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 12690.13-1990 Neodymium and samarium--Determination of carbon content--High frequency--Infrared absorption 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 18115.12-2006 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 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
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 12687.3-2010 Chemical analysis methods of rare earth nitrate for growth regulator for plant.Part 3: Determination of the water insoluble matter content.Gravimetry
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

Canadian General Standards Board （CGSB), Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

CGSB 9.2 NO. 3-94-CAN/CGSB-1994 Methodes D'Essai Des Effluents Et De L'Eau Rejetes Par Les Usines De Pates Et Papiers Determination De La Demande Chimique En Oxygene (DCO)

TR-TSE, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

TS 2789-1977 Methods For The Analysis Of Water Determintaion Of Chemical Oxygen Demand Content

Indonesia Standards, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

SNI 06-6989.15-2004 Water and waste water - Part 15: Test methods of chemical oxygen demand (COD) opened reflux by titrimetry
SNI 6989.2-2009

Professional Standard - Machinery, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

JB/T 4394-2016 Rare earth magnesium silicon alloys.Chemical analysis methods of total rare earth, silicon, total magnesium and magnesia
JB/T 9220.2-1999 Chemical analysis methods for acid slay of cupola.Determination of silica by gravimetric method using perchloric acid dewatering

Professional Standard - Non-ferrous Metal, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

YS/T 1071-2015 Chemical analysis methods of hydrogen peroxide spent catalysts.Determination of palladium content.Spectrometry
YS/T 575.14-2006 Chemical analysis method of bauxite ore-tribromoarsine spectrophotometric determination of total rare earth oxides
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

国家市场监督管理总局、中国国家标准化管理委员会, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

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 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
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

Professional Standard - Ferrous Metallurgy, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

YB/T 547.2-1995 Methods for chemical analysis of vanadium slag the perchloric acid dehydration gravimetric method for the determination of silicon dioxide content
YB/T 190.1-2001 Methods for chemical analysis of continuous casting mold powder The perchloric acid dehydration gravimetric method for the determination of silicon dioxide content

Inner Mongolia Provincial Standard of the People's Republic of China, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

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

Yunnan Provincial Standard of the People's Republic of China, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

DB53/T 666-2015 Chemical analysis method for insoluble slag of spent petrochemical catalyst Determination of platinum and palladium content Inductively coupled plasma emission spectrometry
DB53/T 665-2015 Fine chemical industry waste catalyst insoluble slag chemical analysis method Determination of platinum, palladium, rhodium content inductively coupled plasma emission spectrometry

German Institute for Standardization, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

DIN 38414-9:1986-09 German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the chemical oxygen demand (COD) (S 9)
DIN 38402-60:2013-12 German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 60: Analytical quality assurance for chemical and physicochemical water analysis (A 60)
DIN 38414-9:1986 German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the chemical oxygen demand (COD) (S 9)
DIN 38402-60:2013 German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 60: Analytical quality assurance for chemical and physicochemical water analysis (A 60)

Jiangxi Provincial Standard of the People's Republic of China, Rare earth waste slag, wastewater chemical analysis method chemical oxygen demand

DB36/T 688-2012 Chemical analysis of yttrium-rich oxides and their metals Determination of the composition of fifteen rare earth element oxides Inductively coupled plasma emission spectrometry