FUNCTIONS, STATISTICS AND GRAPHS. Houghton Mifflin Co. 21 min., sd., color, 16 mm. (Teaching modern school mathematics) © Houghton Mifflin Co.; 1Sep70; MP24111.
FUNDAMENTAL TECHNIQUES OF CHEMISTRY. See
ANALYTICAL CHROMATOGRAPHY.
APPROXIMATE WEIGHING: SIMPLE LABORATORY BALANCES.
DISTILLATION.
GRAVIMETRIC TECHNIQUES.
INFRARED SPECTROSCOPY.
LIQUID-LIQUID EXTRACTION.
PRECISION WEIGHING: THE SUBSTITUTION BALANCE.
PURIFICATION OF SOLIDS BY RECRYSTALLIZATION.