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.

引用

页码：6287 / 6296

页数：10

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