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| 机械活化木薯淀粉氧化产物软化硬水能力的研究 | |
| 引用本文： | 谭义秋,陈渊,胡华宇,黄祖强,农克良.机械活化木薯淀粉氧化产物软化硬水能力的研究[J].化学世界,2009,50(6). |
| 作者姓名： | 谭义秋 陈渊 胡华宇 黄祖强 农克良 |
| 作者单位： | 1. 南宁师范高等专科学校化生系,广西,祟左,532200;广西大学化工学院,广西,南宁,530004 2. 玉林师范学院化生系,广西,玉林,537000 3. 广西大学化工学院,广西,南宁,530004 4. 南宁师范高等专科学校化生系,广西,祟左,532200 |
| 摘 要： | 采用搅拌球磨机对木薯淀粉进行机械活化,以不同活化时间的木薯淀粉为原料,CuSO4为催化剂,H2O2为氧化剂干法制备氧化淀粉,并以钙离子配位能力为评价指标,分别考察羧基含量、pH值、温度、钙离子浓度、配合时间等因素对木薯氧化淀粉软化硬水能力的影响。实验结果表明,机械活化对木薯氧化淀粉软化硬水的能力有显著的影响。由活化60 min的木薯淀粉制得的氧化淀粉当羧基含量为0.49%及0.84%时,在体系pH 10、温度30°C、钙离子浓度4 mmol/L、配合时间20 min的条件下钙离子的配合量分别为106.7 mg/g及136.70 mg/g,而在相同条件下,由原木薯淀粉制得的氧化淀粉当羧基含量为0.49%时,钙离子的配合量仅为48.0 mg/g。 |
| 关 键 词： | 机械活化 木薯淀粉 氧化淀粉 软化硬水能力 |
Study on Capability of Softening Hard-water of Oxidation Product of Mechanical Activated Cassava Starch |
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| TAN Yi-qiu,CHEN Yuan,HU Hua-yu,HUANG Zu-qiang,NONG Ke-liang.Study on Capability of Softening Hard-water of Oxidation Product of Mechanical Activated Cassava Starch[J].Chemical World,2009,50(6). | |
| Authors: | TAN Yi-qiu CHEN Yuan HU Hua-yu HUANG Zu-qiang NONG Ke-liang |
| Affiliation: | 1;2;2;1.Department of Chemistry and Biology;Nanning Normal College;Guangxi Chongzuo 532200;China;2.School of Chemistry and Chemical Engineering;Guangxi University;Guangxi Nanning 530004;3.Department of Chemistry and Biology;Yulin Normal College;Guangxi Yulin;537000;China |
| Abstract: | Cassava starch was mechanically activated by a stirring-type ball mill.Using H_2O_2 as oxidant and CuSO_4 as catalyst,the oxidized starch was prepared by dry method from cassava starch of different activated times.The effect of carboxyl content of oxidized starch,pH,temperature,concentration of calcium ion,and complexing time on the capability of softening hard water of cassava oxidized starch was investigated by using calcium-complexing capability as the evaluating parameter.The results indicated that mech... |
| Keywords: | mechanical activation cassava starch oxidized starch capability of soften hard-water |
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