00421pamaa2200157 4500 0000014398 20060327090000.0 0070662770 543.08 EWI 1985 QD79.15 EWI I985 EWING Instrumental methods of chemical analysis Galen W. Ewing. 5th ed. New York: McGraw Hill, 1985. xvi, 538p.: 21cm. Instrumental analysis