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 (English Version)
- Standard No.
- GB/T 12690.1-2002
- Language
- Chinese, Available in English version
- Release Date
- 2002
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2016-04
- Replace By
- GB/T 12690.1-2015
- Latest
- GB/T 12690.1-2022
- Replace
- GB/T 12690.13-1990
- Scope
- This standard specifies the methods for the determination of carbon and sulfur content in rare earth metals and their oxides. This standard applies to the determination of carbon and sulfur content in rare earth metals and their oxides. The measurement range: carbon, 0.005% to 1.00%; sulfur, 0.005% to 0.100%. Refer to this method for the determination of the content of carbon and sulfur in metal thulium, metal ytterbium and metal lutetium.
GB/T 12690.1-2002 history
- 2022 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
- 2015 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
- 2002 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
- 1990 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 12690.1-2002 -All Parts
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 12690.10-2003 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 12690.11-2003 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 12690.12-2003 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 12690.13-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of molybdenum and tungsten content-Inductively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum me
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 12690.15-2018 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides―Part 15: Determination of calcium content
GB/T 12690.16-2010 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 12690.17-2010 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 12690.18-2017 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides— Part 18: Determination of zirconium content
GB/T 12690.19-2018 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 12690.2-2015(英文版) Chemical analysis methods for nonrare earth impurity of rare earth metals and their oxides—Part 2: Determination of ignition loss content of rare earth oxides—Gravimetric method
GB/T 12690.24-1990 Rare-earth metals and their oxides--Determination of aluminum content--Aluminum-chromazurol S-hexadecyl-trimethyl ammonium bromide-ethanol spectrophotometric method
GB/T 12690.27-1990 Rare-earth metals and their oxides--Determination of ignition loss--Gravimetric method
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 12690.29-2000 Rare earth metals and their oxide Determination of cerium oxide content-Fluorescent spectrophotometric 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 12690.4-2021 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 12690.5-2017(英文版) "Chemical analysis methods for nonrare earth impurities of rare earth metals and their oxides—Part 5:Determination of cobalt,manganese,lead,nickel,copper,zinc,aluminum,chromium,magnesium,
cadmium,v"
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
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 12690.9-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of chlorine content-Silver nitrate turbidimetric method