Standard Methods Of Chemical Analysis : Vol II A - Industrial And Natural Products And Noninstrumental Methods / edited by Frank J. Welcher - 6th.ed. - London : D. Van Nostrand Company , 1963 - xiv, 1282 pages .: graph, illustrations .; 26 cm Previous editions edited by W. W. Scott. Includes indexs ISBN: Subjects--Topical Terms: Analytical chemistryChemistry, Technical Dewey Class. No.: 545 / STA 1963