要熟悉流管柱层析法需要适当的练习。此影片将会让从你填充 的适当条件技巧开始、填充及进行管柱层析,甚至用管子做一个微 管柱层析。 It takes considerable practice to master the art of \running a column\. This video will get you started, with tips on picking appropriate conditions, packing and running a column, monitoring separation, and even making a micro-column from a pipet
将液体从固体中分开来的最简易方法是什么?过滤在此影片中 将学习如何有效的用重力过露及真空过滤来进行。 The easiest way to separate a liquid from a solid? Filtration! Learn how to effectively carry out gravity and vacuum filtrations in this video
薄层分析法在许多研究实业室是最常用的此影片将带领你每 步骤,从准备跑瓶到计算RF(retention factor)值 步骤, Thin-layer chromatography is the most commonly used analytical technique in many research labs. This video walks you through every step from setting up a developing chamber to calculating Rf values
再结晶须有耐心,但它是值得的!此影片让你用一种溶剂与两种 溶剂的再结晶方法从溶解度测试到冷过滤来经验此过程 Recrystallization takes patience, but it's worth it! This video walks you through the procedure, from solubility tests to cold filtration, with information on one-solvent and two-solvent recrystallizations