| 蒸馏-碘滴定法测定红薯蕃茄粉丝中二氧化硫残留 |
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| 引用本文： | 江俊芳.蒸馏-碘滴定法测定红薯蕃茄粉丝中二氧化硫残留[J].广州化工,2011,39(18):108-109. |
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| 作者姓名： | 江俊芳 |
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| 作者单位： | 盐城生物工程高等职业技术学校,江苏盐城,224051 |
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| 摘 要： | 采用蒸馏-碘滴定法测定了红薯蕃茄粉丝中二氧化硫残留,精密度在1.3%～1.87%之间。结果表明:粉丝中微量二氧化硫的残留量可以用蒸馏-碘滴定法快速检测。此法操作简单、灵敏度高、重现性好。可用于粉丝中二氧化硫质量控制。
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| 关 键 词： | 红薯蕃茄粉丝 二氧化硫 蒸馏 碘滴定法 |
Determination of Sulful Dioxide Residues in the Starch Noodles Including Sweet Potato and Tomato Juice by Distillation and Titration Employing Iodine |
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| JIANG Jun-fang.Determination of Sulful Dioxide Residues in the Starch Noodles Including Sweet Potato and Tomato Juice by Distillation and Titration Employing Iodine[J].GuangZhou Chemical Industry and Technology,2011,39(18):108-109. |
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| Authors: | JIANG Jun-fang |
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| Affiliation: | JIANG Jun-fang(Yancheng Biology Engineering Higher School,Jiangsu Yancheng 224051,China) |
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| Abstract: | A method for determination of sulful dioxide residues in the starch noodles including sweet potato and tomato juice was introduced,by using the method of distillation and titration employing iodine to determine sulful dioxide residues.The accuracy was 1.3% to 1.87%.The result showed that the sulful dioxide residues in the noodles can be fast determined by distillation and titration employing iodine.The operation was easy operation,and the sensitivity and the accuracy were high.The method can control the quality of sulful dioxide residues in the starch noodles including sweet potato and tomato juice. |
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| Keywords: | the starch noodles including sweet potato and tomato juice sulful dioxide distillation titration employing iodine |
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