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	Kinetic spectrophotometric determination of total iron in natural water by flow injection analysis using on-line preconcentration
	Feng, SL; Guo, ZJ; Fan, J; Chen, XG; Sun, JY
刊名	MICROCHIMICA ACTA
	2005-02-01
卷号	149期号:1-2页码:61-65
关键词	on-line preconcentration kinetic spectrophotometry iron diaminoditolyl natural water
ISSN号	1436-5073
DOI	10.1007/s00604-004-0301-8
通讯作者	Chen, XG()
英文摘要	A new flow injection catalytic spectrophotometric method for on-line preconcentration and determination of total iron in natural water is described. The method is based on a combination of iron-catalyzed oxidation of diaminoditolyl by potassium bromate and the use of on-line preconcentration of iron onto 8-hydroxy-quinoline immobilized on silica gel. The corresponding calibration graph is linear over the range of 2.0 - 110 ng mL(-1) for Fe(III) using a time-based technique for 5 min preconcentration. The relative standard deviation of 11 measurements of 60 ng mL(-1) Fe(III) was 0.67%. The method was applied to the determination of iron in natural water. The results obtained by the proposed method were compared with those obtained by ICP-AES. The t-test showed no significant differences between the two methods at a confidence level of 95%.
收录类别	SCI
WOS关键词	ATMOSPHERIC WATER ; HYDROGEN-PEROXIDE ; SEA-WATER ; IRON(III) ; SEAWATER ; OXIDATION ; FE(III) ; SYSTEM ; SPECTROMETRY ; SPECIATION
WOS研究方向	Chemistry
WOS类目	Chemistry, Analytical
语种	英语
出版者	SPRINGER WIEN
WOS记录号	WOS:000226408200007
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2555693
专题	寒区旱区环境与工程研究所
通讯作者	Chen, XG
作者单位	1.Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China 2.Henan Normal Univ, Coll Chem & Environm Sci, Xinxiang 453007, Peoples R China 3.Chinese Acad Sci, Key Lab Ice Core & Cold Reg Environm, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Feng, SL,Guo, ZJ,Fan, J,et al. Kinetic spectrophotometric determination of total iron in natural water by flow injection analysis using on-line preconcentration[J]. MICROCHIMICA ACTA,2005,149(1-2):61-65.
APA	Feng, SL,Guo, ZJ,Fan, J,Chen, XG,&Sun, JY.(2005).Kinetic spectrophotometric determination of total iron in natural water by flow injection analysis using on-line preconcentration.MICROCHIMICA ACTA,149(1-2),61-65.
MLA	Feng, SL,et al."Kinetic spectrophotometric determination of total iron in natural water by flow injection analysis using on-line preconcentration".MICROCHIMICA ACTA 149.1-2(2005):61-65.

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