Abstract
The modification of the inert gas fusion-gas chromatographic method, with the purpose for performing trace analysis of oxygen in metals, was investigated.
It has been necessary to reduce the blank value of carbon monoxide for an inert gas fusion method. A small crucible prepared from graphite bar for nuclear application after the treatment for deoxidation by the procedure of silicon penetration at about 2000°C shows an extremely low blank value as 0.080.12 μg oxygen per 3 minutes. The proposed crucible enables the precise determination of oxygen as low concentration as 0.1 μg.
