लेखक: Xue-Ming Zhang

CHUNG CHOW CHAN, Ph D, is a Consultant for CCC Consulting, and the former president of the Calibration & Validation Group, a nonprofit organization dedicated to the art and science of instrument calibration and method validation. HERMAN LAM, Ph D, is the Principal of Wild Crane Horizon and President of the Calibration & Validation Group. Dr. Lam has developed and presented an instrument qualification and performance verification course for Agilent Technologies and other organizations in North America and Asia. XUE MING ZHANG, Ph D, is a Manager at Apotex, responsible for overseeing the development of stable liquid formulations. He also works on method development and validation for both instrument and chemical analysis.