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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 10, Number 2
BKCSDE 10(2)
February 20, 1989 

Aggregation of Crystal Violet with Tetraphenylborate Anions in Aqueous Solutions
Beom-Gyu Lee, Rae-Seok Jung, Kang-Jin Kim*
The hydrophobic interaction between tetraphenylborate (TPB-) or tetrakis (4-fluorophenyl)borate (TFB-) and crystal violet has been investigated in aqueous solutions by absorption spectrophotometry. Both of the anions promote the aggregation of the ion pairs formed between crystal violet and TPB- or TFB-. When crystal violet and borate anion are nearly equimolar, insoluble floating aggregates can be observed. Based on the relative absorbance of H and J bands and on the effect of TX-100, TFB- is found to be more hydrophobic than TPB-.
148 - 151
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