| 乙氧基化烷基硫酸钠中未磺化物测定的国标法改进 |
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| 引用本文： | 雷小英,徐浩,刘荣.乙氧基化烷基硫酸钠中未磺化物测定的国标法改进[J].当代化工,2016(12):2759-2762. |
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| 作者姓名： | 雷小英 徐浩 刘荣 |
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| 作者单位： | 1. 浙江赞宇科技股份有限公司,浙江杭州,310009;2. 嘉兴赞宇科技有限公司,浙江嘉兴,314201 |
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| 摘 要： | 采用国标改进法测定乙氧基化烷基硫酸钠产品的未磺化物,相对平均误差及精密度分别为3.81%和2.22%,平均树脂吸附回收率为97.99%。该法可节省检测时间3 h左右,减少阴、阳离子树脂的使用量,同时减少无水乙醇的使用量200 m L/次,便于指导生产检测,大大降低了检测成本。
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| 关 键 词： | 未磺化物 阴 阳离子树脂 国标改进法 |
Improvement of National Standard Determination Method of Unsulfated Matter in Sodium Ethoxylated Alkyl Sulfate |
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| Abstract: | Improved national standard determination method was used to determine unsulfated matter in sodium ethoxylated alkyl sulfate. The relative average error and precision were 2.22% and 3.81% respectively, and the average adsorption recovery was 97.99%. This method can save the determination time about three hours, and can reduce the usage of anion and cation resin, and can reduce the usage of anhydrous ethanol by 200 mL each time. |
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| Keywords: | unsulfated matter anion and cation resin national standard improvement |
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