Perkin, F. Mollwo 1869- Qualitative chemical analysis : organic and inorganic / by F. Mollwo Perkin. - Fifth edition, - London ; New York [etc.] : Longmans, Green and co., 1935. - x, 377 p. ; ill. ; 23 cm. Includes Index. Subjects--Topical Terms: Chemistry, Analytic--Qualitative Dewey Class. No.: 543.17 / PEQ 1935