Can Electrospray Mass Spectrometry Quantitatively Probe Speciation? Hydrolysis of Uranyl Nitrate Studied by Gas-Phase Methods

被引：82
作者：
Tsierkezos, Nikos G. [1 ,2 ]
Roithova, Jana [1 ,3 ]
Schroeder, Detlef [1 ]
Oncak, Milan [4 ,5 ]
Slavicek, Petr [4 ,5 ]
机构：
[1] Acad Sci Czech Republ, Inst Organ Chem & Biochem, VVI, CR-16610 Prague 6, Czech Republic
[2] Tech Univ Ilmenau, Facgebiet Chem, D-98693 Ilmenau, Germany
[3] Charles Univ Prague, Dept Organ & Nucl Chem, Prague 12843 2, Czech Republic
[4] Prague Inst Chem Technol, CR-16628 Prague 6, Czech Republic
[5] Acad Sci Czech Republ, J Heyrovsky Inst Phys Chem, VVI, CR-18223 Prague 8, Czech Republic
来源：
INORGANIC CHEMISTRY | 2009年 / 48卷 / 13期
关键词：
STATE COORDINATION ENVIRONMENTS; METAL-LIGAND SOLUTION; COLLISION-INDUCED DISSOCIATION; SALT CLUSTER IONS; AMINOPYRIDINE LIGANDS; PART; COMPLEXES; IONIZATION; ACTIVATION; HYDRATION;
D O I：
10.1021/ic900575r
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Aqueous solutions of uranium(VI) nitrate are probed by electrospray mass spectrometry. The leading cationic species are the mononuclear [UO2(X)(H2O)(3)](+) (X = OH, NO3) along with oligonuclear clusters [UmO2m(X)(2m-1)(H2O)(n)](+). The nature of the anionic ligand X and the cluster size of the ions show a distinct dependence on concentration in the condensed phase. The results are used to deduce a phenomenological relationship between the concentrations of the feed solution and that in the spray process itself.
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收藏
页码：6287 / 6296
页数：10
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