An analysis of materials by plasma spectroscopy

A plasma spectroscopic analysis of materials, the portable stand type, comprising a housing (10) containing a laser generator (18) emitting laser pulses which are focused on the surface of a material to be analyzed by a parabolic mirror (32) displaceable in translation in the housing to perform a series of spot measurements on a scanning line of the surface of the material to be analyzed and a measurement on a calibration sample (50) mounted in the measuring tip (22) the housing (10).