Cathodic Adsorptive Stripping Voltammetric Determination of Trace Amounts of Uranium (VI) Based on Its Complex with Chromazorul-S

被引：0
作者：
Mohadesi, Alireza [1 ]
Hosseinzadeh, Laleh [2 ]
Abbasi, Shahriar [2 ]
Esfandyarpour, Mohammad [2 ]
机构：
[1] Payame Noor Univ, Dept Chem, Kerman, Iran
[2] Ilam Univ, Dept Chem, Ilam, Iran
来源：
JOURNAL OF AOAC INTERNATIONAL | 2009年 / 92卷 / 03期
关键词：
LEAD; CHROMATOGRAPHY; BEHAVIOR; CADMIUM;
D O I：
暂无
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An adsorptive stripping voltammetric procedure for trace determination of uranium (U; VI) at a hanging mercury drop electrode is described. The complex of U(VI) with Chromazorul-S was adsorbed and accumulated from an ammonia buffer solution of pH 8.8, including 2.4 x 10(-5) M Chromazorul-S at the potential -0.2 V for 120 s. After that, the cathodic voltammograms were recorded by potential sweep from -0.2 to -0.9 V in the differential pulse mode. The relationship between the cathodic peak currents versus U(VI) concentrations was linear over the range of 0.7-340 ng/mL. The detection limit was 0.1 ng/mL, and the relative standard deviations (7 determinations) at 10, 100, and 300 ng/mL U(VI) were 2.1, 1.6, and 1.1%, respectively. The validity of this method was estimated by determination of spiked U(VI) in natural water and soil samples. The results were successful.
引用
收藏
页码：927 / 932
页数：6
相关论文
共 27 条
[1]   A simple high pressure flow cell for on-line absorption, Raman, and time resolved laser induced fluorescence spectroscopy in supercritical fluids [J].
Addleman, RS ;
Hills, JW ;
Wai, CM .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1998, 69 (09) :3127-3131
[2]   Adsorptive stripping voltammetric behaviour of UO2(II) complexed with the Schiff base N,N′-ethylenebis(salicylidenimine) in aqueous 4-(2-hydroxyethyl)-1-piperazine ethanesulfonic acid medium [J].
Bastos, MBR ;
Moreira, JC ;
Farias, PAM .
ANALYTICA CHIMICA ACTA, 2000, 408 (1-2) :83-88
[3]   Simultaneous determination of trace uranium(VI) and zinc(II) by adsorptive cathodic stripping voltammetry with aluminon ligand [J].
Cha, KW ;
Park, CI ;
Park, SH .
TALANTA, 2000, 52 (06) :983-989
[4]  
DJOGIC R, 2001, ELECTROANAL, V13, P1915
[5]  
ELKHATIB MA, 1996, B FAC SCI ALEXANDRIA, V36, P67
[6]   Simultaneous determination of copper, lead and cadmium by cathodic adsorptive stripping voltammetry using artificial neural network [J].
Ensafi, AA ;
Khayamian, T ;
Benvidi, A ;
Mirmomtaz, E .
ANALYTICA CHIMICA ACTA, 2006, 561 (1-2) :225-232
[7]   Cathodic adsorptive stripping voltammetric determination of uranium with potassium hydrogen phthalate [J].
Farghaly, OA ;
Ghandour, MA .
TALANTA, 1999, 49 (01) :31-40
[8]   STRIPPING VOLTAMMETRY OF URANIUM BASED ON ADSORPTIVE ACCUMULATION OF ITS 4-(2-PYRIDYLAZO) RESORCINOL COMPLEX AT THE STATIC MERCURY DROP ELECTRODE [J].
FARIAS, PAM ;
OHARA, AK .
ELECTROANALYSIS, 1991, 3 (09) :985-992
[9]   Highly selective adsorptive cathodic stripping voltammetric determination of uranium in the presence of pyromellitic acid [J].
Gholivand, MB ;
Nassab, HR .
ELECTROANALYSIS, 2005, 17 (08) :719-723
[10]   Cathodic adsorptive stripping voltammetric determination of uranium(VI) complexed with 2,6-pyridinedicarboxylic acid [J].
Gholivand, MB ;
Nassab, HR ;
Fazeli, H .
TALANTA, 2005, 65 (01) :62-66
123