Melting Point Determination Throughout your laboratory experiences, you will frequently need to assess the purity or identity of a crystalline solid. Both of these goals can be accomplished by determining a compound’s melting point. Created by Dr. Kimberly Berkowski and Eileen Huang. View the complete resource at: ocw.mit.eduLicense: Creative Commons BY-NC-SA More information at ocw.mit.edu [...]

Reaction Work-Up II Using the Rotavap: The rotary evaporator is your friend in the lab. This video will ensure that you build a safe and productive relationship. Created by Dr. Sarah Tabacco and Aaeyesha Siddiqui View the complete resource at: ocw.mit.eduLicense: Creative Commons BY-NC-SA More information at ocw.mit.edu More courses at ocw.mit.edu WARNING NOTICE The [...]

Refluxing a Reaction Most organic reactions occur slowly at room temperature and require heat to allow them to go to completion in a reasonable time frame. Running a reaction under reflux allows you to heat a reaction without losing solvent due to evaporation and with causing an explosion. Created by Dr. Kimberly Berkowski and Eileen [...]

TLC-The Basics 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. Created by Dr. Sarah Tabacco and Aaeyesha Siddiqui View the complete resource at: ocw.mit.eduLicense: Creative Commons BY-NC-SA More information at ocw.mit.edu More courses [...]

Reaction Work-Up I Extracting, Washing and Drying: It aint over til its over. Learn how to “work up” your reaction using a separatory funnel to perform a liquid-liquid extraction. This is one purification technique you dont want to miss! Created by Dr. Sarah Tabacco and Aaeyesha Siddiqui View the complete resource at: ocw.mit.eduLicense: Creative Commons [...]

Recrystallization Recrystallization takes patience, but its worth it! This video walks you through the procedure, from solubility tests to cold filtration, with information on one-solvent and two-solvent recrystallizations. Created by Dr. Sarah Tabacco and Aaeyesha Siddiqui View the complete resource at: ocw.mit.eduLicense: Creative Commons BY-NC-SA More information at ocw.mit.edu More courses at ocw.mit.edu WARNING NOTICE [...]

TLC-Advanced Discover a few of the more complicated skills related to thin layer chromatography cutting glass TLC plates, flame-pulling spotters, and using TLC stains to visualize spots. Created by Dr. Sarah Tabacco and Aaeyesha Siddiqui View the complete resource at: ocw.mit.eduLicense: Creative Commons BY-NC-SA More information at ocw.mit.edu More courses at ocw.mit.edu WARNING NOTICE The [...]

Filtration The easiest way to separate a liquid from a solid? Filtration! Learn how to effectively carry out gravity and vacuum filtrations in this video. Created by Dr. Sarah Tabacco and Aaeyesha Siddiqui View the complete resource at: ocw.mit.eduLicense: Creative Commons BY-NC-SA More information at ocw.mit.edu More courses at ocw.mit.edu WARNING NOTICE The experiments described [...]

Titration Learn how to master the art of titration in this video with a detailed demonstration of an acid/base titration using phenolphthalein. Created by Dr. Sarah Tabacco and Aaeyesha Siddiqui View the complete resource at: ocw.mit.eduLicense: Creative Commons BY-NC-SA More information at ocw.mit.edu More courses at ocw.mit.edu WARNING NOTICE The experiments described in these materials [...]

Column Chromatography 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. Created by Dr. Sarah Tabacco and Aaeyesha Siddiqui View the complete resource at: ocw.mit.eduLicense: [...]