| 一种快速测定多聚羟基烷酸分子量的方法 |
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| 引用本文： | 冯涛,肖婧凡,赵良启.一种快速测定多聚羟基烷酸分子量的方法[J].山西化工,2004,24(4):57-59,73. |
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| 作者姓名： | 冯涛 肖婧凡 赵良启 |
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| 作者单位： | 山西大学化学生物学与分子工程教育部重点实验室,山西,太原,030006 |
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| 摘 要： | 以氯仿作溶剂，用黏度法测定了多聚羟基烷酸的分子量．摸索了检测的最佳温度与溶液浓度．比较了黏度外推法与黏度单点法测验结果，建立了黏度法测定多聚羟基烷酸平均分子量的操作方法。该法具有溶剂毒性小、溶解性好、准确度高和操作简便等优点．适用于生产过程和成品检验中的多聚羟基烷酸分子量的测定。
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| 关 键 词： | 黏度法 多聚羟基烷酸 分子量 |
| 文章编号： | 1004-7050(2004)04-0057-03 |
A Rapid Measurement of Molecular Weight of Polyhydroxyalkanoates |
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| FENG Tao,XIAO Jing fan,ZHAO Liang qi.A Rapid Measurement of Molecular Weight of Polyhydroxyalkanoates[J].Shanxi Chemical Industry,2004,24(4):57-59,73. |
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| Authors: | FENG Tao XIAO Jing fan ZHAO Liang qi |
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| Abstract: | The viscometry is used to determine average number molecular weights of polyhydroxyalkanoates (PHAs) taking chloroform as solvent. The proper solution concentration and temperature are investigated in the experiment, the test results between the extrapolation method and single point one are also compared. The method, which is characterized by less solvent toxicity, better dissolvability, higher sensitivity and simplicity, can be used to measure PHA average number molecular weight during the process of the production and quality analysis. |
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| Keywords: | viscometry polyhydroxyalkanoates molecular weight |
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