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柠檬酸亚锡二钠的制备

Preparation of disodium stannous citrate
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摘要 以柠檬酸三钠、Sn Cl2、Na OH为原料合成了柠檬酸亚锡二钠,对反应条件进行了优选。得出下述最佳工艺条件:柠檬酸三钠对Sn Cl2过量2%,反应温度为80℃,反应终点p H值为6。沉淀经洗涤后为中间产物柠檬酸二亚锡,柠檬酸二亚锡与柠檬酸三钠以摩尔比为1∶1.2投料可制备柠檬酸亚锡二钠,产物亚锡含量29.5%以上。 Disodium stannous citrate was synthesized with sodium citrate, stannous chloride, sodium hydroxide as raw materials, The reaction conditions were optimized. The optimal technological conditions were as follows:sodium citrate exceeded 2% for stannous chloride, reaction temperature was 80℃ and the p H of reaction endpoint was 6. Precipitation after washing was intermediate distannous citrate, disodium stannous citrate was prepared in molar ratio of distannous citrate to sodium citrate was 1∶1.2, stannous content of product was over 29.5%.
作者 王宇
出处 《化学工程师》 CAS 2014年第12期65-67,共3页 Chemical Engineer
关键词 柠檬酸亚锡二钠 柠檬酸二亚锡 抗氧化剂 disodium stannous citrate distannous citrate antioxidants
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  • 1中华人民共和国卫生部,中国国家标准化委员会.GB2760-2007,食品添加剂使用卫生标准[S].中国,2007-08-23.
  • 2王喜东,于才渊,周才君.喷雾干燥[M].(第二版).北京:化学工业出版社,2003:5-6.

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