Process of analyzing metal particles

Details Process of analyzing metal particles Process of analyzing metal particles

G - Physics

01

N

G01N 21/25 (2006.01) G01N 21/71 (2006.01)

Patent

CA 2050608

ABSTRACT OF THE DISCLOSURE: In a process for a classifying analysis of a bulk material consisting of metal particles differing in composition, metal is removed at a detecting location from each metal particle by means of a pulsed laser, whereby a plasma is produced, discrete spectral lines are filtered from the line spectrum of the plasma, a characteristic value is determined according to an algorithm from the radiant intensities of said spectral lines, and a sorting singal is generated by a comparison of the characteristic value with predetermined limiting values. An Excimer laser is used for a removal of metal at a substantially uniform intensity regardless of the thickness of the metal particles.

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