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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
A sensitive technique for the determination of trace Cu(Ⅱ) in various samples after the column preconcentration by adsorbing its N-benzoylphenylhydroxylamine (BPHA) onto benzophenone was developed. Several experimental conditions such as the pH of the sample solution, the amount of chelating agent, the amount of benzophenone, and the flowrate of sample solution and so forth were optimized. The interfering effects of diverse concomitant ions were investigated. Fe(Ⅲ) and CN? interfered with more seriously than any other ions. However, the interference by these ions could be overcome sufficiently by adjusting the added volume of 0.01M BPHA to 10 mL. The dynamic range, the correlation coefficient (R²) and the detection limit obtained by this proposed technique were 5.0~120 ng/mL, 0.9974, and 2.1 ng/mL, respectively. For validating this proposed technique, the aqueous samples (stream water, reservoir water, and wastewater), the plastic sample and the diluted brass sample were used. Recovery yields of 93~102% were obtained. These measured data were not different from ICP-MS data at 95% confidence level. This method was also validated by the rice flour CRM (normal, fortified) samples. Based on the results from the experiment, it was found that this proposed technique could be applied to the determination of Cu(Ⅱ) in various real samples.
목차
Abstract
1. Introduction
2. Experimental
3. Results and Discussion
References
참고문헌 (19)
참고문헌 신청
C. N. Sawyer, P. L. McCarty and G. F. Parkin, “Chemistry for Environmental Engineering”, 4th Ed., 634, McGraw-Hill, New York, U.S.A., 1996.
Y. Choi and H. Choi. Bull. Korean Chem. Soc., 24(2), 222-224(2003).
M. Yaman and I. Akdeniz, Anal. Sci., 20(9), 1363-1366(2004).
J. Y. Cabon, Spectrochim. Acta B., 57(5), 939-950(2002).
M. D. Ioannidou, G. A. Zachariadis, A. N. Anthemidis and J. A. Stratis, Talanta, 65(1), 92-97(2005).
Y. Choi and H. Choi. Bull. Korean Chem. Soc., 24(2), 222-224(2003).
M. Yaman and I. Akdeniz, Anal. Sci., 20(9), 1363-1366(2004).
J. Y. Cabon, Spectrochim. Acta B., 57(5), 939-950(2002).
M. D. Ioannidou, G. A. Zachariadis, A. N. Anthemidis and J. A. Stratis, Talanta, 65(1), 92-97(2005).
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UCI(KEPA) : I410-ECN-0101-2009-433-016509024