有载体~(90)Y-EDTMP的纸色层分离

  • 摘要: 研究了有载体90Y-EDTMP在不同溶剂体系中的Rf和展开时间,以及浓氨水、乙醇和水体系溶剂配比和pH值对90Y纸色层分离的影响,同时与柱色谱、HPLC谱进行放射化学纯度比较。最后确定V(浓氨水)∶V(乙醇)∶V(水)=0.2∶2∶4,pH=9.0-14.0时分离效果最好

     

    Abstract: STUDYOF90Y┐EDTMPPAPERCHROMATOGRAPHICSEPARATIONBaiHongshengJinXiaohaiFanHongqiangDuJinLiuYueminWangFanChenDamingXuHailin(ChinaInstituteofAtomicEnergy,Beijing102413)ABSTRACTTheRfandthedevelopingtimeof90Y-EDTMPindiferentsolventsystemarestudied.TheefectsofpHandsolventratiosonpaperchromatographicbehaviorof90Y-EDTMParein-vestigatedintheammoniumhydroxide,ethanolandwatersystemindetail.Atthesametimetheresultsobtainedhereontherediochemicalpurityof90Y-EDTMParecomparedwiththoseofcolumnchromatographyandHPLC.Itisfoundthatwhenthesolventsystemofammoniumhydroxide,ethanolandwaterisusedwiththepHvaluefixedat7.0-14.0,thebestresultwouldbeobtained.Keywords90Y-EDTMPpaperchromatographicseparationsolventratiospH

     

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