稀土发光材料的合成方法(6)

48

1999,17:697-699.

稀　　土　　　　　　　　　　　　　　　　　　　　　第24卷

辑),1999,17:700-702.

[29]　李沅英,戴德昌,蔡少华,等.(Ce0.67Tb0.33)MgAl11O19

和BaMgAl10O17∶Eu2+荧光体的微波辐射合成及其发光性能[J].中国稀土学报,1998,16(3):284-287.

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SyntheticMethodsofRareEarthLuminescentMaterials

SUNYan-bin1,2,QIUGuan-ming3,CHENYong-jie4,GENGXiu-juan4,DAIShao-jun5

(1.NortheastUniversity,Shenyang110006,China;2.JilinUniversity,Changchun130026,China;3.ChangchunCollegeofOptics&FineMechanics,Changchun130022,China;4.ShenyangInstituteofChemicalTechnology,Shenyang110021,China;5.YanchengTechnologicalCollege,Yancheng224003,China)

Abstract:Thispapersummarizedseveralofrareearthluminescentmaterialssyntheticmethodsusedpresentlyathomeandabroad.Thesyntheticmethodsincludedhightemperaturesolidmethod,sol-gelprocess,combustionsyn-thesis,hydrothermalsynthesis,microwaveradiationmethodandsoon.Theadvantagesandshortcomingsofeverymethodwerediscussed.Thesyntheticmethodsofrareearthluminescentmaterialswereprospected.

Keywords:rareearth;luminescentmaterials;syntheticmethods

(上接第40页)

当好的准确性和可靠性,适用于稀土混合物中相互干扰的多种组分的同时测定。

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SimultaneousDeterminationofComponentsofRareEarthMixture

byOrthogonalRegressionMulticomponentStandardAdditionSpectrophotometry

ZHAOKai-yuan,WANGYu-hong,WUJu-hong,WANGYu-qing

(DepartmentofChemistry,SuzhouScienceandTechnologyCollege,Suzhou215009,China)

Abstract:Thispaperstudiesanewmethod,whichisnamedasorthogonalregressionmulticomponentstandardadditionspectrophotometry,ofsimultaneousdeterminationofmulticomponentshardlyinterferingwitheachotherinrareearthmixture.Therefore,agroupofexactregressequationsisobtainedfromorthogonal-regressanalysisinmicrocomputer.Thismethodisapplicabletodeterminesimultaneouslylanthanum,gadoliniumanddysprosiuminmixtureofrareearth.Experimentprovedthattheerrorsofsimultaneousdeterminationofthreerareearthsarelessthan4.2%intherangeofconcentrationat1×10-7mol L-1to1×10-5mol L-1.

:ephoto;orthogonalregrlysis;