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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Liawraungrath, Saisunee Arqueropanyo, Orn-Anong Pojanakaroon, Teraboon Prasertboonyai, Kanyarak Liawraungrath, Boonsom |
| Description | Country affiliation: Thailand Author Affiliation: Prasertboonyai K ( Department of Chemistry and Center of Excellent for Innovation in Chemistry (PERCH-CIC) Together with Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand.); Arqueropanyo OA ( Department of Chemistry and Center of Excellent for Innovation in Chemistry (PERCH-CIC) Together with Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand.); Liawraungrath B ( Department of Pharmaceutical Science, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand.); Liawraungrath S ( Department of Chemistry and Center of Excellent for Innovation in Chemistry (PERCH-CIC) Together with Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand); Pojanakaroon T ( Department of Chemistry and Center of Excellent for Innovation in Chemistry (PERCH-CIC) Together with Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand) |
| Abstract | A micro flow analysis (µFA) system has been designed and fabricated for determination of total iron. The system consists of a microchannels fabricated by etching the polymethyl methacrylate (PMMA) by using laser ablation techniques and a sealed polydimethylsiloxane (PDMS) as top plate. The PMMA micro-flow was topped with a home-made polydimethylsiloxane (PDMS) micro-flow through cell, which was integrated with light emitting diode (LED) as light source and a USB 2000 spectrometer as detector. The proposed µFA system was applied to determination of Fe(III) using norfloxacin as a less-toxic complexing agent in an acetate buffer solution pH 4.0, resulting in a yellow colored complex which gave the maximum absorption at 430nm. Under the optimum conditions, a linear calibration graph was obtained in the concentration range of 0.20-5.00mgL(-1). The limit of detection (LOD, defined as 3σ) and limit of quantification (LOQ, defined as 10σ) were 0.12 and 0.45mgL(-1), respectively. The relative standard deviation (R.S.D.) for repeatability and reproducibility were less than 1.50% and 1.24% (n=11) for 0.2mgL(-1) and 1.0mgL(-1) Fe(III), respectively. The proposed method was successfully applied to the determination of total iron in water samples, validated by the FAAS standard method after digestion by HNO3 and H2O2. |
| ISSN | 13861425 |
| Volume Number | 151 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-01-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Flow Injection Analysis Methods Iron Analysis Miniaturization Norfloxacin Chemistry Water Pollutants, Chemical Hydrogen-ion Concentration Spectrophotometry Topoisomerase Ii Inhibitors Journal Article Research Support, Non-u.s. Gov't Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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