PRFFFRIZFIl
EDUCATION
Chicago A r e a Career Conference
tor
laboratory nitrations
CE1ITE Analytical Filter Aid LEADING LABORATORIES have found tliat Celiter Analytical Filter Aid is invaluable for filtering out gummy, gelatinous, floccuient or semi-colloidal precipitates—many of -whicti are unfilterable by other methods. Chemically inert, it is made from ttae highest quality diatomite which has been calcined at tiigh temperatures and acid-wa_shed to remove all organic and inorganic ire purxties. . For complete precipitate retention and brilliarrtly clear tfiltrar.es at high flow rates, use CeLite Analytical Filter Aid. Full information on request. Johns-Manville, Box 6 0 , New York l
