| 紫外光谱法测定生物柴油中游离甘油含量 |
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| 引用本文： | 周秀娟,廖嫣然,陈云锋.紫外光谱法测定生物柴油中游离甘油含量[J].粮食与食品工业,2012,19(1):53-55. |
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| 作者姓名： | 周秀娟 廖嫣然 陈云锋 |
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| 作者单位： | 1. 海油碧路（南通）生物能源蛋白饲料有限公司,南通,226017
2. 北京大学地球与空间科学学院,北京,100871 |
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| 摘 要： | 建立了紫外分光光度计法测定生物柴油中游离甘油含量的方法。通过对生物柴油中的甘油进行过氧化,生成乙醛,再加入乙酰丙酮与生成的乙醛反应,通过紫外分光光度计在414nm波长处测定生成的黄色化合物量计算样品中甘油含量。该方法简单、快速、经济。验证试验和实际样品检测试验表明:该方法精密度高、准确度好,是一种可行的替代方法。
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| 关 键 词： | 生物柴油 游离甘油测定 紫外分光光度计 |
Determination of free glycerol in biodiesel by UV spectrophotometric |
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| Zhou Xiujuan,Liao Yanran,Chen Yunfeng.Determination of free glycerol in biodiesel by UV spectrophotometric[J].Cereal and Food Industry,2012,19(1):53-55. |
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| Authors: | Zhou Xiujuan Liao Yanran Chen Yunfeng |
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| Affiliation: | CNOOC BIOLUX (Nantong) Bioenergy Protein Feed Co. , Ltd. (Nantong 226017) 2. Earth and Space Science Institute, Peking University (Beijing 100871) |
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| Abstract: | An UV spectrophotometric method for determination of free glycerol in biodiesel was built up. This procedure based on periodate oxidation of glycerol, leading to preparation of acetaldehyde, on reaction with acetylacetone and on spectrophotometric measurement at 414 nm is illustrated. This method is simple, quick and economic. Data related to recovery tests and analyses of real samples show that the method is a viable alternative method with high precision and good accuracy. |
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| Keywords: | biodiesel determination of free glycerin UV spectrophotometer |
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