spec for spec
Mallinckrodt AR caustics deliver greater purity per dollar W h y pay a premium for a premium purity caustic? Only when you carefully compare specifications on caustics do you have an accurate evaluation of the cost per pound. That is w h y Mallinckrodt urges you to compare our maximum limits of impurities with those of your present source. Mallinckrodt Sodium Hydroxide AR 8 ' Pellets and Potassium Hydroxide A R * Pellets have extremely low levels of impurities. Yet they are sold at non-premium prices. This purity level is assured whether your order is by the bottle or the truckload. Get more value in your caustics now! Order from your Mallinckrodt AR" distributor or write:
CIRCLE 1 3 7 O N READER SERVICE CARD
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ANALYTICAL CHEMISTRY, VOL. 44, NO. 9, AUGUST 1972
Mallinckrodt SCIENCE PlODUCTS DIVISlON St. Louis, Missouri 63160
