5.301 Chemistry Laboratory Techniques

Video Lectures

Displaying all 5 video lectures.
Lecture 3
TLC - The Basics
Play Video		 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.
Lecture 5
Reaction Work-Up I
Play Video		 Reaction Work-Up I

Extracting, Washing and Drying: It ain't over 'til it's over. Learn how to "work up" your reaction using a separatory funnel to perform a liquid-liquid extraction. This is one purification technique you don't want to miss!
Lecture 6
Reaction Work-Up II
Play Video		 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.
Lecture 9
Recrystallization
Play Video		 Recrystallization

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.
Lecture 10
Column Chromatography
Play Video		 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.