Abstract
An accurate and rapid atomic absorption analysis for the determination of 10 alloying elements in titanium alloys was studies. The apparatus employed was a Nippon-Jarrell Ash AA-1 type with water-cooled fish tail burner (0.5×50 mm) and grating blazed at 3000 A.The samples (0.1 g) were dissolved in H2SO4, HF and HNO3 and then the solution was evaporated until it fumes. The solution were diluted to a determined volume according to elements and / or their contents. The flame used is either air-C2H2 for Co, Cu, Fe, Mn and Ni or N2O-C2H2 for Al, Cr, Mo, Sn and V.The absorptions measured were refered to the rectilinar calibration curves. The coefficient of variation ranges from 0.4 to 2.8%. The method is comparable in accuracy to the conventional wet chemical analysis, but faster.
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