The micro-determination of bromine in blood

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Abstract
1-2 cc. of blood are used for each determination, the organic matter being destroyed by ignition with KOH at 480-500[degree] C. The Br in the alkaline residue is liberated by adding a mixture of chromic and phosphoric acids and is then driven over into bubblers containing KI and starch, by means of a current of air. The liberated I is titrated. Figures obtained for the recovery of Br from inorganic and organic Br compounds added to blood show an accuracy of approximately 10%. Values are given for the Br content of the blood of various animals.

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