Pharmaceutical analysis : a textbook for pharmacy students and pharmaceutical chemists / David G. Watson ; with a contribution by RuAngelie Edrada-Ebel. Watson, David G., 1952- 9424 Pharmaceutical chemistry. 9425 Drugs Analysis. 9426 Pharmaceutical Preparations analysis. 9427 Chromatography methods. 9428 Spectrophotometry methods. 9429 Spectrum Analysis methods. 9430 RS403 .W38 2021 615/.1901 23 Includes bibliographical references and index. Edinburgh ; New York : Churchill Livingstone Elsevier , 2021. 2021. 2012 Text xi, 427 p. : eng