GB/T 8762.1-1988
Yttrium oxide and europium oxide of phosphor grade--Determination of total rare earth oxide content--EDTA volumetric method
2008-12
- Standard No.
- GB/T 8762.1-1988
- Language
- Chinese
- Release Date
- 1988
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 14635-2008
- Lastest
- GB/T 14635-2020
- Scope
- This standard applies to the determination of the total amount of rare earth oxides in fluorescent grade yttrium oxide and europium oxide. Measuring range: 95% to 100%.
GB/T 8762.1-1988 history
- 2020 GB/T 14635-2020 Rare earth metals and their compounds—Determination of total rare earth content
- 2008 GB/T 14635-2008 Rare earth metals and their compounds.Determination of total rare earth contents
- 1988 GB/T 8762.1-1988 Yttrium oxide and europium oxide of phosphor grade--Determination of total rare earth oxide content--EDTA volumetric method
GB/T 8762.1-1988 Yttrium oxide and europium oxide of phosphor grade--Determination of total rare earth oxide content--EDTA volumetric method was changed to GB/T 14635-2008 Rare earth metals and their compounds.Determination of total rare earth contents.
GB/T 8762.1-1988 -All Parts
GB/T 8762.1-1988 Yttrium oxide and europium oxide of phosphor grade--Determination of total rare earth oxide content--EDTA volumetric method
GB/T 8762.2-1988 Yttrium oxide and europium oxide of phosphor grade--Determination of calcium oxide content--N2O-C2H2 flame atomic absorption spectrophotometric method
GB/T 8762.5-1988 Yttrium oxide of phosphor grade--Determination of trace rare earth oxide contents--Spectrochemical method and direct spectrographic method
GB/T 8762.7-1988 Europium oxide of phosphor grade--Determination of cerium oxide, praseodymium oxide, samarium oxide, gadolinium oxide and dysprosium oxide contents--Spectrochemical method and direct spectrographic method
GB/T 8762.8-2000 Europium oxide-Determination of lanthanum oxide,cerium oxide,praseodymium oxide,neodymium oxide,samarium oxide,gadolinium oxide,terbium oxide,dysprosium oxide,holmium oxide,erbium oxide,thulium oxide,ytterbium oxide,lutetium oxide and yttrium oxide conten