This is a peer reviewed journal article on “Analytical techniques in pharmaceutical analysis” outlining the different techniques used in industry. The citation (Reference) is Siddiqui MR, AlOthman ZA, Rahman N. Analytical techniques in pharmaceutical analysis: A review. Arabian Journal of Chemistry. April 2013. The paper can be found here:

http://dx.doi.org/10.1016/j.arabjc.2013.04.016