Volume 1 Issue 2
May  2011
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Xiao-Shuang Tang, Xi-Yan Shi, Yu-Hai Tang, Zhong-Jin Yue, Qi-Qi He. Chemiluminescence determination of melamine with LuminoI-K3Fe(CN)6 system[J]. Journal of Pharmaceutical Analysis, 2011, 01(2): 104-107.
Citation: Xiao-Shuang Tang, Xi-Yan Shi, Yu-Hai Tang, Zhong-Jin Yue, Qi-Qi He. Chemiluminescence determination of melamine with LuminoI-K3Fe(CN)6 system[J]. Journal of Pharmaceutical Analysis, 2011, 01(2): 104-107.

Chemiluminescence determination of melamine with LuminoI-K3Fe(CN)6 system

  • Publish Date: May 10, 2011
  • A sensitive chemiluminescence(CL) method was developed for determining melamine in urine and plasma samples based on the fact that melamine can remarkably enhance the chemiluminescence of Luminol-K3 Fe(CN)6 system in alkaline medium.The determination conditions were optimized.Under optimum conditions,the chemiluminescence intensity had a good linear relationship with melamine in the range of 9.0 × 10 9 7.0 × 10 6 g/mL with a correlation coefficient of 0.9992.The detection limits (3σ) were 3.54 ng/mL for urine sample and 6.58 ng/mL for plasma sample.The average recoveries of melamine were 102.6% for urine sample and 95.1% for plasma sample.Melamine in samples was extracted with liquid-liquid extraction procedures and the assay results coincided very well with that determined with flow injection chemiluminescence method.The method provides a reproducible and stable approach for sensitive detection and quantification of melamine in urine and plasma samples.
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