THIS POSTING WILL ONLY BE AVAILABLE UNTIL 2/8/16
When you take melting points of unknowns, in the procedure, it is suggested that you make two samples of
the pure unknown - know why this is suggested
To explain the behavior of impure comp
Labs begin on 1/26/16 on a Tuesday through Monday rota7on. First
Monday lab is on 2/1/16.
You will need to go to Resources on Sakai every week to download
necessary informa7on for lab you are about to do. This will be updated
EXTRA NOTES FOR DISTILLATION
Completion of Distillation is posted in Posting 10 and will only be online until
Online Prelab Questions - Assingment 3 on OWLv2. Due date and time - one hour
before the lab period begins on the day of recrystallizati
Chemistry 311 Spring 2016
This is a modification of the procedure described in your text.
Procedure (Note: You will need a ruler for this experiment)
Using two TLC plates, every student has to:
- place three equidist
Thin Layer Chromatography (TLC)
BRING THE TLC HANDOUT (NEXT POSTING) TO THE LECTURE AS WELL
WILL NEED RULER FOR THIS EXPERIMENT
Procedure: From Handout
Sketch of apparatus: Fig 8.9 from book and Fig 1 from Handout.
Unknowns: One fr
EXTRA NOTES FOR THIN-LAYER CHROMATOGRAPHY EXPERIMENT
REMINDER: YOU WILL NEED A RULER AND PENCIL FOR THIS EXPERIMENT!
Online Prelab Questions - Assingment 4 on OWLv2. Due date and time - one hour
before the lab period begins on the day of recrystallization