Quantitative Determination of Phosphorus in Tantalum Powder by Incremental Method with Spark Source Mass Spectrometry

This paper describes the quantitative determination of phosphorus intantalum powder using incremental method with spark source mass spectro-metry and diluting the sample with high grade pure metal powder. It allowsmass spectrometry to determine not only trace elements but also the impuritywith higher concentration which is difficultly determined by other methods.Therefore, the measurement range of mass spectrometry has been extended.