An Aeration Train for the Study of Products of Bacterial Metabolism

Abstract

Detailed description is presented of an apparatus permitting quantitative determination of CO2 and NH3, produced simultaneously by bacterial cultures in fluid media under continuous aeration. The set-up also permits determination of medium reaction and of numbers of producing cells, so that rates per cell per hour for both products can be computed. Through removal of waste products, uniform air supply, and constant agitating effect, the aerating current at the same time favors growth.