About the author SATINDER AHUJA is Senior Staff Scientist in the Physical and Analytical Chemistry Division at CIBAGEIGY Corporation. He earned his PhD in pharmaceutical analytical chemistry at the Philadelphia College of Pharmacy and Science. Dr. Ahuja, who enjoys an international reputation in his field, is a member of the American Chemical Society and the editor of four books, including Ultra Trace Analysis of Pharmaceutical and Other Compounds of Interest (Wiley, 1986). His publications and presentations include basic investigations on various modes of chromatography, automation/computeriz...