How can I describe techniques for estimating compound purity?

[xkieth]

Homework Statement

Its because I was sick, and wasn't able to get notes from my classmate(cuz their that bad and selfish)... The assignment states

"Write notes describing how the purity of compounds can be estimated using the following techniques: chromatography, titrations and melting point."

The Attempt at a Solution

I tried finding keywords google, but links would be ok for me too, I would appreciate the help...

 

[HallsofIvy]

Do you not have a textbook?

 

[chemisttree]

Can you not google "determination purity chromatography (or titration or melting point)"?

Of course if you don't try to do anything you get exactly what your effort deserves.