QUANTITATIVE
AGRICULTURAL ANALYSIS
BY
EDWARD G. MAHIN, Pn.D.
PROFESSOR OF ANALYTICAL CHEMISTRY IN PURDUE  UNIVERSITY
AND
RALPH H. CARE, ph.d.
PROFESSOR OF AGRICULTURAL CHEMISTRY IN  PURDUE   UNIVERSITY
first edition
McGRAW-HILL BOOK COMPANY, inc.
NEW YORK: 370 SEVENTH AYENUE
LONDON: 6 & 8 BOUVERIE ST., B, C. 4
192-3