Complex Catalytic-Kinetic Method for Determination of Trace Amounts of Manganses in Water
Main Article Content
Abstract
In this study, a new kinetic spectrophotometric method was developed to determine manganese using Indigo carmine (Ind) as a color reagent. This method is simple, rapid, sensitive and selective for the determination of trace amount of manganese ion in water. The oxidation reaction of Ind by H2O2 catalyzed by complex of Mn2+ with acrylamide (Acry) was monitored spectrophotometrically by measuring the decrease in absorbance of the system H2O-Mn2+-Acry-Ind-H2O2 (I). The fixed time (15s) and λmax (612 nm) were used. The limit of detection was 1×10-8 M. The relative standard deviation was 11.14% (n=7), relative error was 2.27 %, and the recovery was satisfactory (102.72%) for the determination of 0.022 mg/L. Three linear calibration curves, corresponding to concentration ranges of 10-8-10-5; 10-8-10-7; and 10-7-10-5 M, were obtained with linear regression coefficient R2>0.99. The method was applied to determination of manganese in drinking water in Hanoi, these results were compatible with atomic absorption spectrometry (AAS).
Keywords
Catalytic-kinetic, Trace analysis, Manganese, Complex catalyst, Indigo carmine
Article Details
References
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[3]. D.S. Patil, S.M. Chavan, J.U.K. Oubagaranadin, A review of technologies for manganese removal from wastewaters, Journal of Environmental Chemical Engineering 4 (2016) 468-487.
[4]. M.A. Okada, F.F. Neto, C.H. Noso, C.L. Voigt, S.X. Campos, C. Alberto de Oliveira Ribeiro, Brain effects of manganese exposure in mice pups during prenatal and breastfeeding periods, Neurochemistry International (2016).
[5]. J. LAŠTINCOVÁ, J. VANOVCAN, D. OKTAVEC, E. KADEROVÁ, Multielemental Determination of Cu, Zn, Mo, Mn, V in Soils by ICP-AES Method after Microwave Digestion, Chem. Papers 53 (5) (1999) 288-294.
[6]. A. Milne, W. Landing, M. Bizimis, P. Morton, Determination of Mn, Fe, Co, Ni, Cu, Zn, Cd and Pb in seawater using high resolution magnetic sector inductively coupled mass spectrometry (HR-ICP-MS), Analytica Chimica Acta 665 (2010) 200-207.
[7]. İ. Narin, M. Soylak, L. Elçi, M. Doğan, Determination of trace metal ions by AAS in natural water samples after preconcentration of pyrocatechol violet complexes on an activated carbon column, Talanta 52 (2000) 1041-1046.
[8]. M.M. Ghoneim, M.A. Hassanein, E. Hammam, M.A. Beltagi, Simultaneous determination of Cd, Pb, Cu, Sb, Bi, Se, Zn, Mn, Ni, Co and Fe in water samples by differential pulse stripping voltammetry at a hanging mercury drop electrode, Fresenius’ Journal of Analytical Chemistry 367 (2000) 378-383.
[9]. F.M. Mousavi, M. Barzegar, A. Rahmani, A. Jabbari, Catalytic Kinetic Determination of Trace Amounts of Periodate with Photometric Detection, Microchimica Acta 140 41-44.
[10]. M.F. Mousavi, A.R. Karami, Catalytic-spectrophotometric determination of trace amounts of molybdenum(VI) ion, Microchemical Journal 64 (2000) 33-39.
[11]. R.M. Naik, A. Agarwal, S. Prasad, Determination of trace amounts of mercury(II) in water samples using a novel kinetic catalytic ligand substitution reaction of hexacyanoferrate(II), Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 74 (2009) 887-891.
[12]. A. Safavi, A.A. Ensafi, Kinetic spectrophotometric determination of traces of sulphite, Analytica Chimica Acta 252 (1991) 121-126.
[13]. S. Abbasi, M. Esfandyarpour, M.A. Taher, A. Daneshfar, Catalytic-kinetic determination of trace amount of formaldehyde by the spectrophotometric method with a bromate-Janus green system, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 67 (2007) 578-581.
[14]. H.R. Pouretedal, B. Nazari, Kinetic Spectrophotometric Determination of Trace Amounts of Nitrite by Catalytic Reaction between Methylthymol Blue and Bromate, Journal of the Chinese Chemical Society 51 (2004) 1353-1356.
[15]. C. Zul, M. Megharaj, R. Naidu, Speciation of iodate and iodide in seawater by non-suppressed ion chromatography with inductively coupled plasma mass spectrometry, Talanta 72 (2007).
[16]. Vũ Anh Tuấn, Nguyễn Văn Xuyến, Nghiên cứu động học của phản ứng peroxyđaza trong hệ H2O-Mn2+-Acry-Ind-H2O2, tạp chí hoá học T49 (2ABC) (2011) 812-816.
[17]. Vũ Anh Tuấn, Nguyễn Văn Xuyến, Nghiên cứu sự tạo thành phức xúc tác Mn2+ với ligan acrylamit (Acry) trong hệ: H2O-Mn2+-Acry-Ind-H2O2, Tạp chí hoá học T49 (2ABC) (2011) 807-811.
[18]. M.M. Sousa, C. Miguel, I. Rodrigues, A.J. Parola, F. Pina, J.S. Seixas de Melo, M.J. Melo, A photochemical study on the blue dye indigo: from solution to ancient American textiles, Photochemical & Photobiological Sciences 7 (2008) 1353-1359.
[19]. T.A.D. Luong Thi Thu Huyen, Vu Anh Tuan, Tran Thi Thuy, Study the determination process of cadmium in fertilizers by Flame Absorption Spectroscopy (F-AAS), Journal of Science and Technology 111 (2016) 15-19.