The Effect of Temperature on Sol-Gel Transition in Alginate Solution and the Investigation of Its IR Spectra

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (5): 775.

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The Effect of Temperature on Sol-Gel Transition in Alginate Solution and the Investigation of Its IR Spectra

ZHANG Qing-Zhi¹, ZHENG Hong-He¹, WANG Zheng-Yu², Mikio Konno², Shozaburo Saito²

1. Department of Chemistry, Henan Normal University, Xinxiang, 453002;
2. Department of Molecular Chemistry and Engineering, Tohoku Unitiersity Sendai 980, Japan

Received:1993-05-15 Revised:1993-09-19 Online:1994-05-24 Published:1994-05-24

Abstract

Abstract: In this paper, we determined the viscosity and conductivity of 3wt% sodium alginate solution mixed with various quantities of inorganic salt and at different temperatures.Together with IRspectrum, we predicated the structural alternation during the process of sol-gel transition. Aqualitative explanation was suggested on the difference of gelation ability between Cu²⁺ an Co²⁺ cations.

Key words: Sodium alginate, Sol-gel transition, Cross-link, Viscosity

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ZHANG Qing-Zhi, ZHENG Hong-He, WANG Zheng-Yu, Mikio Konno, Shozaburo Saito. The Effect of Temperature on Sol-Gel Transition in Alginate Solution and the Investigation of Its IR Spectra[J]. Chem. J. Chinese Universities, 1994, 15(5): 775.

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The Effect of Temperature on Sol-Gel Transition in Alginate Solution and the Investigation of Its IR Spectra

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