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Determination of arsenic species by capillary zone electrophoresis with large-volume field-amplified stacking injection
Zhang, PD; Xu, GW; Xiong, JH; Zheng, YF; Yang, Q; Wei, FS
关键词Speciation Arsenic Capillary Zone Electrophoresis Field-amplified Stacking Injection Stacking Large Volume
刊名ELECTROPHORESIS
2001-10-01
22期:16页:3567-3572
收录类别ISTP ; SCI
文章类型Article
部门归属18048
项目归属1808
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]Biochemical Research Methods ; Chemistry, Analytical
研究领域[WOS]Biochemistry & Molecular Biology ; Chemistry
关键词[WOS]ACUTE PROMYELOCYTIC LEUKEMIA ; PLASMA-MASS SPECTROMETRY ; SIMULTANEOUS SPECIATION ; TRIOXIDE AS2O3 ; SELENIUM ; WATERS
英文摘要Determination of arsenic species by large-volume field amplified stacking injection-capillary zone electrophoresis (LV-FASI-CZE) is reported in this paper. Whole column injection was employed. The optimum buffer pH for the separation of weak acids was discussed. It was found that the optimum buffer to analyze the stacked arsenate (As(V)), monomethylarsonate (MMA), and dimethylarsinate (DMA) was 25 mm phosphate at pH 6.5. However, the optimum buffer to analyze the concentrated arsenite (As(III)) was 20 mm phosphate - 10 mm borate at pH 9.28. The limits of detection of the method developed were 0.026 mg/L for As(III), 0.023 mg/L for As(V), 0.043 mg/L for MMA, and 0.018 mg/L for DMA. An enrichment factor of 34-100 for several arsenic species was obtained. In the end, this method was applied to determine the arsenic concentration in the environmental reference materials to show the usefulness of the method developed.
语种英语
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WOS记录号WOS:000171506500035
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被引频次:28[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/83653
专题中国科学院大连化学物理研究所
作者单位1.Acad Sinica, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Dalian 116011, Peoples R China
2.China Natl Environm Monitoring Ctr, Beijing, Peoples R China
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Zhang, PD,Xu, GW,Xiong, JH,et al. Determination of arsenic species by capillary zone electrophoresis with large-volume field-amplified stacking injection[J]. ELECTROPHORESIS,2001,22(16):3567-3572.
APA Zhang, PD,Xu, GW,Xiong, JH,Zheng, YF,Yang, Q,&Wei, FS.(2001).Determination of arsenic species by capillary zone electrophoresis with large-volume field-amplified stacking injection.ELECTROPHORESIS,22(16),3567-3572.
MLA Zhang, PD,et al."Determination of arsenic species by capillary zone electrophoresis with large-volume field-amplified stacking injection".ELECTROPHORESIS 22.16(2001):3567-3572.
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