The absorptiometric determination of molybdenum as molybdenum(v) thiocyanate in steel

The absorptiometric thiocyanate method for molybdenum has been thoroughly studied with regard to the role of the following reagents: HC1, H₂SO₄, HClO₄, KSCN, SnCl₂ and Fe. A method is described, which allows the determination of 0.01–10% Mo in steel with a relative standard deviation of less than 0.5%. The only interferences (slight) are Nb and the combination V and W. The method gives better than 99.8% recoveries. Results for the determination of molybdenum in standard samples are presented.