| 藻酸双酯钠铬配合物的制备及其理化性质的初步研究 |
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| 引用本文： | 谷彩霞,赵峡,于广利,李国强,付先军,管华诗.藻酸双酯钠铬配合物的制备及其理化性质的初步研究[J].中国海洋药物,2008,27(6). |
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| 作者姓名： | 谷彩霞 赵峡 于广利 李国强 付先军 管华诗 |
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| 作者单位： | 中国海洋大学海洋药物教育部重点实验室,海洋药物与食品研究所,山东,青岛,266003 |
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| 基金项目： | 国家海洋863资助项目(2007AA09Z445) |
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| 摘 要： | 目的 制备藻酸双酯钠(PSS)的铬配合物.并研究其溶解性、颜色、分子量等理化性质和光谱表征.方法 将PSS与三价铬离子在不同pH条件下进行络合.制备PSS铬配合物(PSS-Cr),采用正交实验优化制备条件.并采用UV、IR、HPGPC、原子吸收和电导滴定等分析方法 对PSS-Cr的结构和基本理化性质进行初步分析.结果 与结论 制备PSS-Cr的最适条件为:温度为50℃.pH值为7,PSS(以单糖计)与铬的摩尔比为2:1,在此条件下制备的PSS-Cr中的铬含量迭6.69%,重均相对分子质量为12188Da.
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| 关 键 词： | 藻酸双酯钠 氯化铬 配合物 |
Preparation of PSS-Cr complex and preliminary study on its physico-chemical property |
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| GU Cai-xi,ZHAO Xi,YU Guang-li,LI Guo-qiang,FU Xian-jan,GUAN Hua-shi.Preparation of PSS-Cr complex and preliminary study on its physico-chemical property[J].Chinese Journal of Marine Drugs,2008,27(6). |
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| Authors: | GU Cai-xi ZHAO Xi YU Guang-li LI Guo-qiang FU Xian-jan GUAN Hua-shi |
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| Institution: | GU Cai-xia,ZHAO Xia,YU Guang-li,LI Guo-qiang,FU Xian-jun,GUAN Hua-shi* (Key Laboratory of Marine Drugs,Ministry of Education,Marine Drug , Food Institute,Ocean University of China,Qingdao266003,China) |
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| Abstract: | Objective To prepare the chromium complex of sulfated propylene glycol alginate(PSS-Cr),and study its physico-chemical properties.Methods PSS and Cr3+ were coordinated in different pH values and they formed PSS-Cr complex.The preparation conditions of PSS-Cr were optimized by orthogonal experiment,and its structure and basic physico-chemical properties were further analyzed by UV,IR,HPGPC,atomic absorption and conductivity titration.Results and Conclusion Preparation conditions were as follows: the temperat... |
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| Keywords: | sulfated propylene glycol alginate(PSS) chromium chloride complex |
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