*4.3.2.2 Spectrometers*

Several analytical instruments are included in the payload of the rover for the determination and quantification of the chemical composition of the analyzed rocks and regolith: the Alpha-Particle X-Ray Spectrometer (APXS); the Chemistry and Camera (ChemCam), a LIBS spectrometer; Chemical and Mineralogy (CheMin), an X-Ray Diffraction/Fluorescence (XRD/XRF) instrument; or Sample Analysis at Mars (SAM), a suite of three instruments including gas chromatography, mass spectroscopy, and laser spectroscopy, aimed at the detection of elements associated with the potential existence of life.
