Introduction to analytical chemistry / George H. Schenk, Richard B. Hahn, Arleigh V. Hartkopf. Schenk, George H. Hahn, Richard Balser, 1913- joint author. Hartkopf, Arleigh V., joint author. Chemistry, Analytic Quantitative. QD101.2 .S33 1981 545 19 SCI First ed. published in 1977 under title: Quantitative analytical chemistry. Includes bibliographical references and index. Boston : Allyn and Bacon, c1981. c1981. 1981 Text xii, 523 p. : eng