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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Di-2-pyridylmethanon 2-thiophenecarboxylie hydrazone(DPMTCH) was synthesized and used as a chromogenic reagent in the spectrophotometric determination of nickel in steel. The proton disc spectrophotometrically, were pKa₁= 2.66 and pKa₂= 10.98 μ = O.5(NaCl). Nickel(Ⅱ) reacts with DPMTCH to form a 1:2 metal-2-ligand ratio complex, the xylene solution of which has an absorption maximum at 417 ㎚. Beer's law is obeyed over the range 0-1.17 ㎎ml^(-1) of nickel(Ⅱ ). The molar absorptivity of the nickel(Ⅱ) complex is 4.17×10^4 l㏖^(-1)㎝^(-1). The precision of the method was estimated for 4.7 ㎎ of nickel(Ⅱ), the coefficient of variation for 15 replicate determinations being 0.34%.
목차
Abstract
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusion
Acknowledgment
References
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UCI(KEPA) : I410-ECN-0101-2009-433-018086573