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Simultaneous determination of chromium(VI) and chromium(III) of bioavailable fraction in bottom mud by flow injection-atomic absorption spectroscopy
Wang Chang; Xie Wen-Bing; Liu Jie; Liu Jian-Tong; Liu, JT, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2007-03-01
Source PublicationCHINESE JOURNAL OF ANALYTICAL CHEMISTRY
ISSN0253-3820
Volume35Issue:3Pages:451-454
AbstractA rapid and sensitive method for separation and determination of Cr(VI) and Cr(III) in bottom mud of lake by flow injection on-line preconcentrtion system and GFAAS was developed. The available Cr(VI) and Cr(III) were extracted by HOAc or EDTA + NH4 NO3 and adsorbed simultaneously by an anion and a cation resin microclummn and then eluted simultaneously by 2 mol/L NH4 NO3 + 0.05 mol/L ascorbate and 2 mol/L H2SO4, respectively. The elution was performed for 50 s after adsorption for 2 min, and the efficiencies of elution were 85.4% - 94.8% and 96.7% - 106% for Cr(VI) and Cr(M) respectively. The detection limits of the method were 0.9 mu g/L and 2.7 mu g/L with relative standard deviations of 3.5% and 6.4% for the determination of Cr(VI) and Cr(III) in sample, respectively.; A rapid and sensitive method for separation and determination of Cr(VI) and Cr(III) in bottom mud of lake by flow injection on-line preconcentrtion system and GFAAS was developed. The available Cr(VI) and Cr(III) were extracted by HOAc or EDTA + NH4 NO3 and adsorbed simultaneously by an anion and a cation resin microclummn and then eluted simultaneously by 2 mol/L NH4 NO3 + 0.05 mol/L ascorbate and 2 mol/L H2SO4, respectively. The elution was performed for 50 s after adsorption for 2 min, and the efficiencies of elution were 85.4% - 94.8% and 96.7% - 106% for Cr(VI) and Cr(M) respectively. The detection limits of the method were 0.9 mu g/L and 2.7 mu g/L with relative standard deviations of 3.5% and 6.4% for the determination of Cr(VI) and Cr(III) in sample, respectively.
SubtypeArticle
KeywordFlow Injection Atomic Absorption Spectroscopy Speciation Analysis Chromium Bottom Mud
DepartmentChinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; Chinese Acad Sci, Changchun Inst Appl Chem, Natl Analyt Res Ctr Electrochem & Spect, Changchun 130022, Peoples R China
Subject AreaChemistry, Analytical
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical
WOS IDWOS:000245735200032
WOS KeywordHEAVY-METALS
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8630
Collection期刊论文
Corresponding AuthorLiu, JT, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Changchun Inst Appl Chem, Natl Analyt Res Ctr Electrochem & Spect, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Wang Chang,Xie Wen-Bing,Liu Jie,et al. Simultaneous determination of chromium(VI) and chromium(III) of bioavailable fraction in bottom mud by flow injection-atomic absorption spectroscopy[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2007,35(3):451-454.
APA Wang Chang,Xie Wen-Bing,Liu Jie,Liu Jian-Tong,&Liu, JT, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2007).Simultaneous determination of chromium(VI) and chromium(III) of bioavailable fraction in bottom mud by flow injection-atomic absorption spectroscopy.CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,35(3),451-454.
MLA Wang Chang,et al."Simultaneous determination of chromium(VI) and chromium(III) of bioavailable fraction in bottom mud by flow injection-atomic absorption spectroscopy".CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 35.3(2007):451-454.
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