Chinese Journal of Applied Chemistry ›› 1991, Vol. 0 ›› Issue (2): 56-59.

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THE SPECIFIC REFRACTIVE INDEX INCREMENT OF CHITOSAN

Wangwei, Bo Shuqin, Qin Wen   

  1. Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022
  • Received:1990-03-04 Revised:1990-06-26 Published:1991-04-10 Online:1991-04-10

Abstract: The degree of deacetylation (D.D.) and specific refractive index increment (dn/dc) wereexamined for a series of chitosan samples.A good linear relationship between D.D. anddn/dc values was observed.The equation obtained in 0.2 mol/L CH3COOH/0.1 mol/LCH3COONa at 436 nm and 25℃ as follows:DoDo = 935.48dn/dc (mL/g)-93.29.

Key words: chitosan, deacetylation, specific refractive index increment