大师作文网能把下面一段话翻译成英文摘要么
来源：学生作业帮 编辑：大师作文网作业帮 分类：英语作业 时间：2024/11/11 15:35:57
能把下面一段话翻译成英文摘要么
摘要：目的,研究从茶叶中提取咖啡因的方法,并掌握用恒压滴液漏斗提取有机物的原理和方法.方法：以乙醇作为溶剂,采用萃取装置、蒸馏装置、升华装置从8g茶叶末中提取咖啡因.结果,用95%乙醇萃取回流茶叶末至回流液变澄清,然后将回流液蒸馏1h,最后向蒸发皿中的液体加入3g生石灰并控温在190℃升华10min,烘干产物得少量白色结晶. ps：不要百度翻译
摘要：目的,研究从茶叶中提取咖啡因的方法,并掌握用恒压滴液漏斗提取有机物的原理和方法.方法：以乙醇作为溶剂,采用萃取装置、蒸馏装置、升华装置从8g茶叶末中提取咖啡因.结果,用95%乙醇萃取回流茶叶末至回流液变澄清,然后将回流液蒸馏1h,最后向蒸发皿中的液体加入3g生石灰并控温在190℃升华10min,烘干产物得少量白色结晶. ps：不要百度翻译
Abstract: Objective To study the method, extraction of caffeine from tea, and master the principles and methods of organic matter from a constant pressure drop funnel. Methods: using ethyl alcohol as solvent, using extraction device, distillation device, sublimation of extraction of caffeine from tea dust device in 8g. Results with 95% ethanol extraction refluxing tea powder to reflux liquid becomes clear, and then reflux distillation 1H, finally to the evaporating dish liquid adding lime and temperature control of 3G at 190 DEG C sublimation drying of products of 10min, a small amount of white crystal. PS: don't Baidu translation