Abstract
A new micro bromination method is proposed for the determination of oxygen in titanium. The sample is mixed with carbon and treated with bromine at 825° C in a quartz boat, using argon as a carrier gas. The oxygen in the sample combines with the carbon to form carbon monoxide, which is then oxidized to carbon dioxide with hot copper oxide. The carbon dioxide is absorbed by a weighed absorption tube containing soda-asbestos. The bromine and titanium tetrabromide are removed by a cold trap cooled by dry ice and alcohol. To remove the last traces of bromine or bromine compounds, a soda tube and silvergauze heated to 650° are used. The method has been satisfactorily applied to the determination of oxygen in commercial titanium.
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