COWLES CATALYTIC AIR OXIDATION PROCESS IMPROVES COLOR, PURITY AND ODOR Employing a unique method of catalytic air oxidation, Cowles produces gluconates of exceptional purity, free of the residual impurities characteristic of products produced by fermentation. Cowles d-gluconic acid is clear, colorless, and practically odorless — and has exceptional storage life. It is particularly outstanding in its ability to sequester calcium, iron and aluminum in alkaline solutions, and is used extensively in cleaning formulations for metal finishers, food processors and for general cleaning products. Sodium gluconate, also produced by this process, is a pure white crystalline form frequently used in conjunction with caustic soda for special cleaners, Chemical etchants, derusters, paint strippers, and for electroplating bath brightCompany eners. Write Cowles for technical data regarding product applications. CLEVELAND, OHIO 44120
34 C&EN
SODIUM GLUCONATE 34 C&EN
GLUCONIC ACID
