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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 9, Number 4
BKCSDE 9(4)
April 20, 1988

Title	Medium Effect on the Formation of Ion-Pair between Methylene Blue and Tetraphenylborate in Dilute Solutions
Author	Eui Wha Moon, Beom-Gyu Lee, Kang-Jin Kim*
Keywords
Abstract	The hydrophobic interaction leading to the formation of ion-pair between MB+ and TPB- was investigated spectroscopically by varying the medium with the addition of 1,4-dioxane or urea. Beyond 0.01 mole fraction of 1,4-dioxane in water or above 2.0M urea the ion-pair appeared to be completely dissociated into individual ions. The ion-pair was not observed in common organic solvents and the absorption maxima of MB+ were correlated relatively well with the π*-scale.
Page	209 - 212
Full Text	PDF

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