Walton, Harold F. Principles and method of chemical analysis / Harold F. Walton. - U.S.A : Prentice-hall.Inc., 1959. - ix, 435 p. : ill. ; 21 cm. - Prentice-hall chemistry series. . Includes index. 326 326 Subjects--Topical Terms: Analytical chemistry. Dewey Class. No.: 543 / W175p