A Modified Method for the Direct Estimation of the Absorption of Oxygen by Rubber

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Abstract
A modification of Dufraisse's oxygen absorption apparatus is described, with which it is possible to carry out the determination under constant pressure. As a result the oxygen absorption of rubber can be read directly in absolute terms, a secondary advantage being that the determination proceeds roughly four times as quickly as by the manometric method. Some results are given which show clearly, among other things, how considerable is the effect of preliminary exposure of the rubber to light on the oxidation.

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