Please use this identifier to cite or link to this item:
https://scholar.dlu.edu.vn/handle/123456789/760| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Lê, Thị Thanh Trân | en_US |
| dc.contributor.author | Nguyen Quoc Thang | en_US |
| dc.contributor.author | Tran Nguyen Minh An | en_US |
| dc.contributor.author | Do Tam Nhan | en_US |
| dc.contributor.author | Mai Ngoc Tan | en_US |
| dc.contributor.author | Le Van Tan | en_US |
| dc.date.accessioned | 2022-08-04T08:46:52Z | - |
| dc.date.available | 2022-08-04T08:46:52Z | - |
| dc.date.issued | 2021-05 | - |
| dc.identifier.uri | https://scholar.dlu.edu.vn/handle/123456789/760 | - |
| dc.description.abstract | In this study, the complex of difluoroboron curcumin (BF2-Cur) has been synthesized and characterized via the combination of Boron trifluoride-diethyl etherate ((C2H5)2OBF3) and curcumin. However, the new dissociation constants, pKa1 and pKa2 of the BF2-Cur complex, have been indicted by the values of 8.44 ± 0.16 and 9.76 ± 0.13, respectively. On the other hand, the reagent was also used to determine As(III) in aqueous solutions by UV–Vis spectrophotometry. As a result, the method was validated for accuracy, precision, linearity, and sensitivity, and the linear range was from 1.0 to 25.0 µmol/L, with the linear regression, A = 0.0027 C + 0.0106, correlation coefficient R2 = 0.9969. Besides, the limit of detection (LoD) and limit of quantification (LoQ) were determined as 0.83 and 2.10 µmol/L, respectively. Thus, the developed method is successfully used for quantitative analysis of total arsenic in wastewater by reducing As(V) to As(III), then determining As(III) with high accuracy results. | en_US |
| dc.language.iso | en | en_US |
| dc.relation.ispartof | Indones. J. Chem. | en_US |
| dc.subject | BF2-Cur; total arsenic; UV-Vis spectrophotometry; the conformation of complex; UFF | en_US |
| dc.title | Difluoroboron Curcumin Complex: A Study on Determination of Acidity Constants and Quantitative Analysis of Arsenic(III) | en_US |
| dc.type | Journal article | en_US |
| dc.identifier.doi | 10.22146/ijc.66990 | - |
| dc.description.volume | 21 | en_US |
| dc.description.issue | 5 | en_US |
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[29] Klotz, E., Doyle, R., Gross, E., and Mattson, B., 2011, The equilibrium constant for bromothymol blue: A general chemistry laboratory experiment using spectroscopy, J. Chem. Educ., 88 (5), 637–639. [30] Zabihi, F., Kiani, F., Yaghobi, M., Shahidi, S.A., and Koohyar, F., 2020, The theoretical calculations and experimental measurements of acid dissociation constant and thermodynamic properties of glycyl aspartic acid in aqueous solution at different temperatures, J. Chil. Chem. Soc., 65 (2), 4759–4768. [31] Laali, K.K., Greves, W.J., Correa-Smits, S.J., Zwarycz, A.T., Bunge, S.D., Borosky, G.L., Manna, A., Paulus, A., and Chanan-Khan, A., 2018, Novel fluorinated curcuminoids and their pyrazole and isoxazole derivatives: Synthesis, structural studies, computational/docking and in-vitro bioassay, J. Fluorine Chem., 206, 82–98. 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| dc.description.pages | 1271 - 1280 | en_US |
| dc.type.report | Bài báo đăng trên tạp chí quốc tế (có ISSN), bao gồm book chapter | en_US |
| dc.publisher.place | Indonesia | en_US |
| item.fulltext | With Fulltext | - |
| item.grantfulltext | restricted | - |
| item.languageiso639-1 | other | - |
| crisitem.author.dept | Faculty of Chemistry and Environment | - |
| crisitem.author.orcid | 0000-0001-6607-2590 | - |
| crisitem.author.parentorg | Dalat University | - |
| Appears in Collections: | Tạp chí (Khoa Hóa học và Môi trường) | |
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