journal6 ›› 2009, Vol. 30 ›› Issue (2): 82-84.

• Chemistry and chemical engineering • Previous Articles     Next Articles

Extraction and Determination of Cyanide from Leaves of Phyllostachys Pubescens


  1. (College of Chemistry and Chemical Engineering,Jishou University,Jishou 416000,Hunan China)
  • Online:2009-03-25 Published:2012-04-25

Abstract: Extraction of cyanide from leaves of phyllostachys pubescens by steam distillation method has been performed.Cyanate ion was well determinated by ion-selective electrode using H3BO3 as ionic strength agent at the temperature from 18 ℃ to 25 ℃ with medium stirring speed in the pH was 12 alkaline medium.Under the optimum conditions,the measured scope ranged from 0.1 μg·g-1 to 10.0 μg·g-1 with the relative standard deviation of 1.1%~4.2% (n=6).The recoveries of CN- ranged from 96.0% to 102.0%.The method has the advantages of simple operation,high sensitivity and high sample throughput.The method has been applied to the determination of cyanate ion and the results are satisfactory.

Key words: steam distillation, ion-selective electrode, phyllostachys pubescens, cyanide

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