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Citation: CHI Yan Hua, ZHUANG Jia, LI Ke-An. Interaction of O-{2-[α-(2-Hydroxy-5-sulphophenylazo) benzylidene]hydrazino}benzoic Acid with Cetyl hydrazino}benzoic Acid with Cetyl Trimethyl Ammonium Bromide[J]. Chinese Journal of Applied Chemistry, ;2001, 18(8): 670-672. shu

Interaction of O-{2-[α-(2-Hydroxy-5-sulphophenylazo) benzylidene]hydrazino}benzoic Acid with Cetyl hydrazino}benzoic Acid with Cetyl Trimethyl Ammonium Bromide

1.
a Department of Material Science and Engineering, Southwest University of Science and Technology, Mianyang 621002;
2.
b Department of Chemistry, Peking University, Beijing

Received Date: 22 August 2000
Available Online: 27 March 2001
Fund Project:

The interaction of O-{2-[α(2-hydroxy-5-sulphophenylazo)benzylidene]hydrazino}benzoic acid(ZCN) with cetyl trimethyl ammonium bromide(CTAB) was studied by UV spectra in pH=5.0 buffered solution. The results showed the complex has maximum absorption at 540 and 570 nm with an apparent molar absorptivity of 2 0×10⁴L/(mol·cm). Three constants were determined:binding constant K=2.3×10⁵; degree of dissociation T=0.03 and binding number n(CTAB):n(ZCN)=1:2.5.
- O-α-hydroxy sulphophenylazobenzylidenehydrazinobenzoic acid,
- cetyl trimethyl anmonium bromide,
- interaction,
- UV spectrometry
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