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Comparison of cupric glycerinate spectrophotometry and HPLC in determination of biodiesel conversion
  
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KeyWord:biodiesel  spectrophotometry  ultrasound  transesterification  
FundProject:广东省自然科学基金项目(06025662)
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Abstract:
      Spectrophotometry was applied to determine the content of the by-product glycerol during biodiesel production.The optimum operation condition for spectrophotometry was that glycerol solution added with KOH solution followed by CuSO4 solution was treated with ultrasound for 5 min,and then filtrated and measured at the wavelength 629 nm.Verifying the accuracy of spectrophotometry by HPLC showed that the spectrophotometry could monitor the extent of transesterification reaction precisely.
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