journal6 ›› 2013, Vol. 34 ›› Issue (2): 68-71.DOI: 10.3969/j.issn.1007-2985.2013.02.015

• Chemistry and chemical engineering • Previous Articles     Next Articles

Determination of Tannin Content from Beihua by UV-Chrominated and Hide Powder Method


  1. (College of Chemistry and Chemical Engineering,Jishou University,Jishou 416000,Hunan China)
  • Online:2013-03-25 Published:2013-04-23

Abstract: The content of tannin from Beihua was analyzed by UV-chrominated hide powder method.The methodology of experiment results were investigated.The stability of the solution is good at 20 ℃.After 20 min,tannin can be completly adsorbed by chrominated hide powder.The content of tannin from Beihua  analyzed by this method  resembles that by pharmacopeia method.The average recovery rate of this method is 98.86%,RSD is 0.85.The RSD of precision,repeatability is 0.07% and 0.64% respectively.

Key words: Beihua, Tannin, UV, chrominated hide powder

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