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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 31, Number 6
JKCSEZ 31(6)
December 20, 1987

Title	Studies on the Complexation of a Nitrogen-Oxygen Donor Macrocyclic Ligand with Transition Metal Ions in Dioxane-Water Mixed Solvent 물-다이옥산 혼합용매에서 N2O2계 거대고리 리간드와 전이금속이온과의 착물형성에 관한 연구
Author	Moon-Hwan Cho, Sang-Chul Lee, Si-Joong Kim 조문환, 이상철, 김시중
Keywords
Abstract	3,4 : 9,10-dibenzo-1,12-diaza-5,8-dioxacyclotetradecane (NenOenH4)과 전이금속이온(Cu2+, Ni2+, Co2+, Zn2+, Mn2+)과의 착물의 안정도상수를 50%다이옥산-수용액에서 이온강도를 0.1로 하고, 전위차법적정으로 측정한 결과, 전이금속이온과 리간드가 만드는 착물의 안정도상수의 순서는 Williams-Irving서열과 일치한다. The protonation constants of 3,4 : 9,10-dibenzo-1,12-diaza-5,8-dioxacyclotetradecane (NenOenH4) and stability constants of its transition metal complexes have been determined by the potentiometric titration in 1 : 1 dioxane-water mixture with 0.1 ionic strength at 25℃. For a given anion system, the stabilitv constants of the complexes are in the order of Mn2+ < Co2+ < Ni2+ < Cu2+ > Zn2+, which accords with the Williams-Irving series.
Page	503 - 508
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