Abstract
This design focuses on developing procedures for the determination of elemental Ca, Cd, Cr, Cu, Fe, Mg, Pb and Zn in samples of orange juice, Ca, Cd, Cr, Cu, Fe, Mg, Pb, Se and Zn in food supplements for LIBS. The same samples are analyzed by LIBS are digested in acid and analyzed by ICP-OES and ICP-MS, the results are compared with the results obtained by LIBS to verify the accuracy of t…