1.1 This test method covers the determination of oxygen in titanium and titanium alloys in concentrations from 0.01 % to 0.5 % and the determination of nitrogen in titanium and titanium alloys in concentrations from 0.003 % to 0.11 %. 1.2 The values stated in both inch-pound and SI units are to be regarded separately as the standard. The values given in parentheses are for information only. 1.3 This standard does not