http://www.youtube.com/watch?v=7LBGQHjgHEw http://www.youtube.com/watch?v=GtuMlWMajtw
Im not sure if these have been brought up at all but there very informative. Theres also one on column chromatography.

There's a Sticky thread in this same sub-forum on exactly this topic.

Well I feel like an idiot.

Please don't feel like an idiot. You found something definitely worth sharing and learning from. Two aspects which are key to the community here.

You have an eye for quality material! Thank you for posting the link.

If you find anything else like that please be sure to share!


EDIT: Also, I noticed you haven't written an Introduction Essay yet. Please do, it definitely helps in getting promoted to full membership.

I find the videos on this page are easier to navigate. You can set up a playlist and watch them all