Abstract
The method for the determination of oxygen in iron containing aluminum was studied by use of the inert gas fusion-infrared absorptiometry as a function of flux, temperature and heating pattern. The double graphite crucibles containing Sn in excess of four times as much as the sample weight were first degassed at 3000 K, and the temperature was lowered to 2630-2760 K. Then the sample enclosed by nickel capsule was dropped into the tin bath and fused for 30 s. This analytical procedure made the oxygen determination in an Fe-10∼15 mass% Al alloy possible without observation of «gettering effect» due to aluminum
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