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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 9, Number 1
JKCSEZ 9(1)
February 20, 1965

Title	Studies of 8-Hydroxyquinoline Derivatives (Part Ⅱ) Fe (Ⅱ)-7-Nitroso-8-Hydroxyquinoline-5-Sulfonate 8-Hydroxyquinoline 유도체에 관한 연구 (제2보) Fe (Ⅱ)-7-Nitroso-8-Hydroxyquinoline-5-Sulfonate 에 관하여
Author	Dong Hyung Lee 이동형
Keywords
Abstract	7-Nitroso-8-hydroxyquinoline-5-sulfonate의 Fe(Ⅱ)착염의 성질을 700mμ, 26℃에서 분광광법으로 조사하였다. 이 착염은 pH6.0에서 가장 큰 흡광도를 나타내며 열안정도도 대단히 좋다. Ligand나 Fe(Ⅲ)의 환원에 사용한 hydroxylamine이 과승으로 존재할때 에도 착염의 생성에 경향을 주지 않는다. 착염의 조성을 몰비법과 연속변화법으로 조사한 결과, 금속과 ligand의 몰비는 1:3이었다. 검양선은 실험한 농도범위내에서 Beer의 법칙에 따른다. The properties of Fe(Ⅱ)-7-nitrose-8-hydroxyquinoline-5-sulfonate have been studied spectrophotometrically at 700 mμ, 26℃. The absorbance of the complex shows a maximum at pH 6.0 and good thermal stability. Excess of the ligand and the reducing agent do not interfere the formation of the complex. The composition of the complex is found to be 3:1 ligand to metal species by molar ratio and continues variation methods. Calibration curve follow Beer's law over the range of concentratiion studied.
Page	41 - 44
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