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논문 기본 정보

자료유형
학술저널
저자정보
Nguyen Thanh-Nho (Nguyen Tat Thanh University) Thai Huynh-Thuc (Nguyen Tat Thanh University) Le-Thi Anh-Dao (Nguyen Tat Thanh University) Do Minh-Huy (University of Science) Le-Thi Huynh-Mai (University of Science) Le Quang-Huy (Nguyen Tat Thanh University) Nguyen-Thi Kim-Sinh (Gwangju Institute of Science and Technology) Nguyen Cong-Hau (Nguyen Tat Thanh University)
저널정보
한국분석과학회 분석과학 분석과학 제36권 제5호
발행연도
2023.10
수록면
216 - 223 (8page)

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초록· 키워드

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Aluminium (Al) is one of the major elements in rocks and its concentration can be varied, depending on different rock types as well as sources. The present study aimed to propose an analytical method based on the UV-Vis as a cheap, simple, and common instrument equipped in most laboratories for Al quantification in rocks after the microwave assisted acid digestion. The aluminone and 8-hydroxyquinoline were investigated for the colorimetric assay. The results show that the 8-hydroxyquinoline reagent was more favorable in terms of the minimized affects of the potential interferences present in the digested solutions, i.e., Fe<SUP>3+</SUP>, Si<SUP>4+</SUP> and F-. The calibration curve was constructed from 0.10 mg/L to 3.00 mg/L with the goodness of linearity (R² = 0.9996). The limits of detection and quantification (LOD and LOQ) were estimated, i.e., 0.029 mg/L and 0.087 mg/L, respectively. The 8-hydroxyquinoline was applied to real rock samples, demonstrating favorable precision (RSD = 0.34 %-1.8 %) and no remarkable differences were found compared to the inductively coupled plasma-mass spectrometry (ICP-MS) as a reference measurement approach.

목차

Abstract
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusions
References

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