treasure #1

Extra – Bonus – 10 points - SECRET TREASURE!

Watch the actual column Chromatography video on this weeks page. Answer the following questions neatly on loose-leaf paper. Turn them in to your instructor no later than Wednesday Nov 9th for a bonus assignment. (No talking about this in the classroom. This is extra credit which means it is “On your own work” only” If you use class time to discuss this, you are disqualified from turning this in.

1) What did they put in the column?

2) How did they make the liquid drip out of the tube faster?

3) What was the purpose of adding sand?

4) What substance was being separated into its component parts?

5) How many component parts are in the mixture?

6) Which component moved the fastest?

7) Which component had the greatest affinity for the stationary phase?

8) Why would a materials scientist use this method of chromatography instead of of paper chromatography like you did in the lab? In other words what are the advantages of column chromatography?