Repeated Extractions a Tedious Distillations? Noxious, Inflammable Solvents and Wasteful Crystallizations? THEN TRY THIS "IONIC SOLVEN Γ AMBERLITE IRC-50 probably w o n ' t make all your present methods obsolete. B u t there's n o faster, m o r e selective means of separating and concentrating inorganic and organic bas_ than this weak-acid cation exchange resin. (And don't rule o u t ion exchange j u s t because the base you're trying t o capture is in a n organic solvent. AMBERLITE IRC-50 has a good record t h e r e , too.) Next time you say t o yourself ' T h e r e m u s t be a b e t t e r w a y " to recover valuable metals or to separate antibiotics, vitamins> alkaloids, amino acids, a n d other obstinate bases, j o t down your p r o b l e m — a n d send it t o Dept. C E I - 4 You'll receive suggestions and technical literature that may help you save time, simplify y o u r process, a n d increase your yield with AMBERLITE IRC-50.
CHEMICALS
FOR INDUSTRY
ROHM & HAJ&S COMPANY "S-BiE
ISESiMOUS
P R O D U C T S
D I V I S I O N
Washington Square Philadelphia 5. Pa. The Resinous Products Division was formerly The Resinous Products & Chemical Company
^ AMBERLITE is a trade-mark,
Reg. U.S. Pat. Off. and in principal foreign
countries.
