DICP OpenIR
Simultaneous determination of inorganic cations and anions by dual opposite ends injection coupled with capillary electrophoresis with capacitively contactless conductivity detection
Tan, F; Yang, BC; Guan, YF
KeywordCapillary Electrophoresis Capacitively Coupled Contactless Conductivity Detection Inorganic Ions
Source PublicationCHINESE JOURNAL OF ANALYTICAL CHEMISTRY
2005-03-01
Volume33Issue:3Pages:313-316
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Analytical
WOS Research AreaChemistry
AbstractCapillary electrophoresis with capacitively coupled contactless conductivity detection ( C4D) was used for the simultaneous determination of inorganic anions and cations by dual opposite ends introduction. The effects of the alternating current voltage and frequency on the detection sensitivity of C4D, the conceptration and pH of 2-(N-morpholino) ethanesulfonic acid (MES)/histidine (His) running buffer, and the injection mode of sample on the separation of cations and anions were studied. Twelve inorganic cations and anions were determined in less than 4 minutes by the injection mode of cations being first introduced, followed by anions from the oppositecapillary end under the best conditions, which were vltage 200 V, frequency of 200 kHz, 20 mmol/L MES/ 15 nunol/L at pH 5. 0. The detection limits of cations were 0.2 ( Na+) to 3 ( Mn2+) mu mol/L, anions 0.5 (SO42-) to 4 ( Br-) mu mol/L. The responses were linear ( correlation coefficients r = 0. 9957 similar to 0. 9999) over two orders of magnitude. The method could be used for simultaneous determination of both cations and anions in real water samples.
Language英语
WOS IDWOS:000228149200006
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/139667
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, Dept Analyt Chem & Microinstrumentat, Dalian 116012, Peoples R China
Recommended Citation
GB/T 7714
Tan, F,Yang, BC,Guan, YF. Simultaneous determination of inorganic cations and anions by dual opposite ends injection coupled with capillary electrophoresis with capacitively contactless conductivity detection[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2005,33(3):313-316.
APA Tan, F,Yang, BC,&Guan, YF.(2005).Simultaneous determination of inorganic cations and anions by dual opposite ends injection coupled with capillary electrophoresis with capacitively contactless conductivity detection.CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,33(3),313-316.
MLA Tan, F,et al."Simultaneous determination of inorganic cations and anions by dual opposite ends injection coupled with capillary electrophoresis with capacitively contactless conductivity detection".CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 33.3(2005):313-316.
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