TY - BOOK AU - Mohamed Badr Eldin Elzeiny AU - Ahmed Ashour Abdelwahhab , AU - Maha Abdelmonem Hegazy , AU - Mohamed Abdelkawy , TI - Advanced chemometric methods for estimation of pharmaceutical component / PY - 2012/// CY - Cairo : PB - Mohamed Badr Eldin Elzeiny , KW - Analytical Chemistry KW - Chemometric methods KW - Spectrophotometry N1 - Thesis (Ph.D.) - Cairo University - Faculty of Pharmacy - Department of Analytical Chemistry; Issued also as CD N2 - Spectrophotometry is a widely used analytical technique due to its simplicity. Direct spectrophotometric analysis is not possible for most of systems. This is due to the fact that almost all systems contain components with overlapping peaks. Analysis of multicomponent systems was a difficult analytical aspect which needs extensive separation steps or using expensive complicated techniques ER -