• 右
  • 左
STUDY ON THE REDUCTION OF Np(Ⅵ) WITH Fe~(3+) AND HYDRAZINE DERIVATIVES[J]. Journal of Nuclear and Radiochemistry, 2001, 23(1): 7-7.
Citation: STUDY ON THE REDUCTION OF Np(Ⅵ) WITH Fe~(3+) AND HYDRAZINE DERIVATIVES[J]. Journal of Nuclear and Radiochemistry, 2001, 23(1): 7-7.

STUDY ON THE REDUCTION OF Np(Ⅵ) WITH Fe~(3+) AND HYDRAZINE DERIVATIVES

More Information
  • Received Date: February 14, 2000
  • Fe 3+ can be slowly reduced to Fe 2+ by monomethylhydrazine, 1,1 dimethylhydrazine and 2 hydroxylethylhydrazine as a reductant. Apparent rate constants for the reactions are determined to be 0.023, 0.11 and 0.45 min -1 at 293 K, respectively. The resultant Fe 2+ ions can quickly reduce Np(Ⅵ) to Np(Ⅴ) and Fe 2+ convert to Fe 3+ . Fe 3+ ion seems to be a catalyst for reduction of Np(Ⅵ). Based on experimental results, a kinetic equation of the Fe 3+ ion as function of the rate of Np(Ⅵ) reduction is obtained.
  • [1]
    KOLTUNOVVS ,BARANOVSM .KineticsandMechanismofNpandPuReactionsWithOrganicDeriva tivesofHydrazine [J].InorgChimActa ,1987,140 :31.
    [2]
    KOLTUNOVVS ,BARANOVSM .OrganicDerivativesofHydrazineandHydroxylamineinFutureTech nologyofSpentNuclearFuelReprocessing[A].In :Global.InternationalConferenceonEvaluationofEnerg ingNuclearFuelCycleSystems[C].PalaisdeCongresVelsaillesFrance ,1995.6 0 3.
    [3]
    KOLTUNOVVS ,BARANOVSM ,ZHAROVATP .ReactionKineticsofNpandPuIonsWithHy drazineDerivativesⅠ .ReactionBetweenNp(Ⅵ )andMethylhydrazine[J].Radiokhimiya ,1987,(2 ) :155.
    [5]
    张先业 ,叶国安 ,肖松涛 ,等 单甲基肼还原Np(Ⅵ )Ⅰ 反应动力学研究 [J] 原子能科学技术 ,1997,31(3) :193.
    [6]
    尹东光 ,张先业 ,胡景火斤 偏二甲基肼还原Np(Ⅵ )动力学研究 [J] 核化学与放射化学 ,1997,19(3) :2 3.
    [7]
    张先业 ,黄子林 ,肖松涛 ,等 2 羟基乙基肼还原Np(Ⅵ )Ⅰ 反应动力学研究 [J] 原子能科学技术 ,1998,32 (5) :4 33.
    [8]
    张先业 ,黄子林 ,肖松涛 ,等 2 羟基乙基肼还原Np(Ⅵ )Ⅱ Purex流程中用于U Np分离的初步研究[J].原子能科学技术 ,1999,33(1) :8
    [9]
    КОЛТУНОВВС ,ЖУРАВЛЕВАГИ ,БАРАНОВСМ КИНЕТИКАРЕАКЦИЙИОНОВNpИPuСПРОИЗВОДНЫМИГИДРАЗИНАⅨКАТАЛИЗИОНАМИFe РЕАКЦИИМЕЖДУPu(Ⅵ )И2 -ОКСИЭТИЛГИДРАЗИНОМ [J] РАДИОХИМИЯ ,1991,(5) :99.
    [10]
    尹东光 ,张先业 ,胡景火斤 铁离子和亚硝酸对偏二甲基肼还原六价镎的影响 [J] 核化学与放射化学 ,1997,19(4) :36
    [11]
    КОЛТУНОВВС ,БАРАНОВСМ ,ЖАРОВАТП КИНЕТИКАРЕАКЦИЙИОНОВNpИPuСПРОИЗВОДНЫМИ ГИДРАЗИНАⅠ .РЕАКЦНЯМЕЖДУNp(Ⅵ )ИМЕТИЛГИДРАЗИНОМ[J] РАДИОХИМИЯ ,1987,(1) :155

Catalog

    Article views (358) PDF downloads (1818) Cited by()

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return