反应后用二氯甲烷萃取，无水硫酸钠干燥，除去溶剂后得到纯净产物。
After reaction, the purified product was obtained through extraction with dichloromethane, drying with anhydrous sodium sulfate and desolventizing.
工业有纺织、无水硫酸钠用于水泥、化肥、造船、石油开采等部门，棉纺织业是最大的工业部门。
Textile industry, anhydrous sodium sulfate used in cement, chemical fertilizer, shipbuilding, petroleum and other departments, the cotton textile industry is the largest industrial sector.
用无水硫酸钠吸干米饭中水份，再以乙酸乙脂提取样品中甲胺磷，提取液直接进气相色谱仪测定。
This method is applicable to rapidly determine Methamidophos with GC. Methamidophos in rice is extracted with ethyl acetate to prepare sample solution that dries with sodium sulfate.
以绿豆淀粉为原料，环氧丙烷为醚化剂，氢氧化钠为催化剂，无水硫酸钠为膨胀抑制剂，对羟丙基绿豆淀粉合成工艺及性能进行了研究。
Synthesis technology and property of hydroxypropyl starch by using potato starch as raw material, propylene oxide as etherization reagent and sodium hydroxide as catalyst, were studied in this paper.
优选结果为0.2%无水亚硫酸钠、7%十二烷基硫酸钠、12%脂肪醇聚氧乙烯醚硫酸钠和4%十二烷基甜菜碱。
And the results were anhydrous sodium sulfite 0.2%, sodium lauryl sulfate 7%, fatty alcohol polyoxyethylene lauryl ether sulfate sodium 12% and dodecyl betaine 4%.
优选结果为0.2%无水亚硫酸钠、7%十二烷基硫酸钠、12%脂肪醇聚氧乙烯醚硫酸钠和4%十二烷基甜菜碱。
And the results were anhydrous sodium sulfite 0.2%, sodium lauryl sulfate 7%, fatty alcohol polyoxyethylene lauryl ether sulfate sodium 12% and dodecyl betaine 4%.
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