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SIMULTANEOUS ANALYSIS OF CO(II), NI(II), CU(II), ZN(II) AND CD(II) BY SPECTROPHOTOMETRY AND THE KALMAN FILTER
Alternative TitleJ. Chemometr.
SHI, LM; LI, ZL; XU, ZH; PAN, ZX; WANG, LS
1991-05-01
Source PublicationJOURNAL OF CHEMOMETRICS
ISSN0886-9383
Volume5Issue:3Pages:193-199
AbstractThis paper describes the simultaneous determination of cobalt, nickel, copper, zinc and cadmium by spectrophotometry and the Kalman filter method. Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) react with 5-bromo-2-(2-pyridylazo)-5-diethylaminophenol (5-Br-PADAP) in the presence of cationic surfactant cetyl pyridinium bromide (CPB) to form five different coloured ternary complexes. The absorption curves of these complexes overlap severely in the scanning range 500-620 nm. The Kalman filter algorithm is successfully applied to resolve the overlapped absorption curves and therefore makes the simultaneous determination of these metallic ions possible without tedious pretreatment. The proposed method is applied to analyse the titled elements in synthetic samples and in environmental samples such as hair, fingernail and river water samples with satisfactory results.; This paper describes the simultaneous determination of cobalt, nickel, copper, zinc and cadmium by spectrophotometry and the Kalman filter method. Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) react with 5-bromo-2-(2-pyridylazo)-5-diethylaminophenol (5-Br-PADAP) in the presence of cationic surfactant cetyl pyridinium bromide (CPB) to form five different coloured ternary complexes. The absorption curves of these complexes overlap severely in the scanning range 500-620 nm. The Kalman filter algorithm is successfully applied to resolve the overlapped absorption curves and therefore makes the simultaneous determination of these metallic ions possible without tedious pretreatment. The proposed method is applied to analyse the titled elements in synthetic samples and in environmental samples such as hair, fingernail and river water samples with satisfactory results.
KeywordKalman Filter Chemometrics 5-br-padap Metallic Ions Simultaneous Spectrophotometric Determination
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
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Indexed BySCI
Language英语
WOS Research AreaAutomation & Control Systems ; Chemistry ; Computer Science ; Instruments & Instrumentation ; Mathematics
WOS SubjectAutomation & Control Systems ; Chemistry, Analytical ; Computer Science, Artificial Intelligence ; Instruments & Instrumentation ; Mathematics, Interdisciplinary Applications ; Statistics & Probability
WOS IDWOS:A1991FQ60600006
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/7958
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
SHI, LM,LI, ZL,XU, ZH,et al. SIMULTANEOUS ANALYSIS OF CO(II), NI(II), CU(II), ZN(II) AND CD(II) BY SPECTROPHOTOMETRY AND THE KALMAN FILTER[J]. JOURNAL OF CHEMOMETRICS,1991,5(3):193-199.
APA SHI, LM,LI, ZL,XU, ZH,PAN, ZX,&WANG, LS.(1991).SIMULTANEOUS ANALYSIS OF CO(II), NI(II), CU(II), ZN(II) AND CD(II) BY SPECTROPHOTOMETRY AND THE KALMAN FILTER.JOURNAL OF CHEMOMETRICS,5(3),193-199.
MLA SHI, LM,et al."SIMULTANEOUS ANALYSIS OF CO(II), NI(II), CU(II), ZN(II) AND CD(II) BY SPECTROPHOTOMETRY AND THE KALMAN FILTER".JOURNAL OF CHEMOMETRICS 5.3(1991):193-199.
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