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《Journal of Quanzhou Normal College》 2003-02
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The Study on the Purity of Decolored XylitolLiquor by Column Chromatography

XIE Xiao Lan 1 FANG Bai Shai 2(1.Dept. of Chem. Quanzhou Normal University, Fujian 36200, China;2.College of Chemical Engineering, Huaqiao University, Fujian 362011, China)  
The paper studies to use the 732 # Ca 2+ resin as chromatographic material and use the different pH distilled water as eluant. The experiment is arranged by uniform design method and investigates the separation of xylitol and xylose , the recovery ratio of xylitol in the different conditions. The purpose of the experiment is to find the preferable separate method and the better separate condition. The result shows the better separate condition is that pH of eluant equals to 4.0, velocity of flow equals to 3.6 ml/min, height/diameter equals to 32, temperature equals to 50 ℃. Under the better separate condition, the value of separation of xylitol and xylose is 0.29, the recovery ratio of xylitol is 100%, the shape of chromatographic plot is sharp and its width is narrow. The method can sublimate decolored xylitol liquor to some extent.
【Fund】: 福建省自然科学基金项目 (C960 68)
【CateGory Index】: TQ920
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