NDLI: Field Enhanced Sample Injection for the CE Determination of Arsenic Compounds Using Successive Multiple Ionic Polymer Layer Coated Capillaries

Content Provider	Springer Nature Link
Author	Jaafar, Jafariah Konishi, Kanami Terabe, Shigeru Ikegami, Tohru Tanaka, buo
Copyright Year	2009
Abstract	A capillary electrophoresis method using indirect UV detection has been applied to the determination of arsenate [As(V)], arsenite [As(III)], monomethylarsonic acid and dimethylarsinic acid. The arsenic species were successfully separated in a successive multiple ionic polymer layer coated capillary. On-line sample preconcentration of arsenic compounds were performed by employing field enhanced sample injection. A baseline separation was achieved in a basic background solution of 10 mM 2,6-pyridinedicarboxylic acid at pH 10.3. The precision of migration time was 1.2–2.4% RSD and peak height was 8.1–12.9% RSD. The limits of detection at a S/N ratio of 3 for the four arsenic compounds were found to be 20–70 ppb, which are comparable to other on-line preconcentration techniques. The enhancement factor was improved by 230–1,500-fold.
Starting Page	1437
Ending Page	1441
Page Count	5
File Format	PDF
ISSN	00095893
Journal	Chromatographia
Volume Number	69
Issue Number	11-12
e-ISSN	16121112
Language	English
Publisher	Vieweg Verlag
Publisher Date	2009-03-24
Publisher Place	Wiesbaden
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Capillary electrophoresis Indirect UV detection Field enhanced stacking injection Successive multiple ionic polymer layers Arsenic compounds Measurement Science, Instrumentation Plant Sciences Biochemistry Pharmacy Organic Chemistry Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Analytical Chemistry Biochemistry Clinical Biochemistry

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