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 (English Version)
- Standard No.
- GB/T 8762.7-1988
- Language
- Chinese, Available in English version
- Release Date
- 1988
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2006-10
- Replace By
- GB/T 18115.6-2006
- Latest
- GB/T 18115.6-2006
- Scope
- This standard applies to the simultaneous determination of cerium oxide, praseodymium oxide, samarium oxide, gadolinium oxide and dysprosium oxide in fluorescent grade europium oxide. The measurement range is shown in Table 1.
GB/T 8762.7-1988 history
- 2006 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
- 1988 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 8762.7-1988 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 was changed to 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 8762.7-1988 -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