Method for producing particles by means of spark erosion, comprising the following steps: - providing at least one first electrode (1; 1a, 1b) which comprises at least one first metal; - providing at least one second electrode which comprises at least one second metal; - disposing the at least first electrode (1; 1a, 1b) and the at least one second electrode in a fluid dielectric; - applying a pulsed electrical voltage between the at least one first electrode (1; 1a, 1b) and the at least one second electrode ; - moving the at least one first electrode (1; 1a, 1b) and the at least second electrode towards one another and generating electrical spark discharges (F) between them; and - recovering the particles of the materials of the first electrode (1; 1a, 1b) and of the second electrode that are generated during the spark discharges (F), characterized by the following steps: - providing at least one third electrode which comprises at least one third metal; - disposing the third electrode in the dielectric; - applying a pulsed electrical voltage between the at least one first electrode (1; 1a, 1b) and the at least one third electrode ; - moving the at least one first electrode (1; 1a, 1b) and the at least one third electrode towards one another and generating electrical spark discharges (F) between them; and - recovering the particles of the materials of the first electrode (1; 1a, 1b) and of the third electrode that are generated during the spark discharges (F), wherein the proportion of the particles generated from the material of the at least one first electrode (1; 1a, 1b), of the at least one second electrode and of the at least one third electrode is controlled by moving the at least one first electrode (1; 1a, 1b) in relation to the at least one second electrode and also in relation to the at least one third electrode . - providing at least one first electrode (1; 1a, 1b) which comprises at least one first metal; - providing at least one second electrode which comprises at least one second metal; - disposing the at least first electrode (1; 1a, 1b) and the at least one second electrode in a fluid dielectric; - applying a pulsed electrical voltage between the at least one first electrode (1; 1a, 1b) and the at least one second electrode ; - moving the at least one first electrode (1; 1a, 1b) and the at least second electrode towards one another and generating electrical spark discharges (F) between them; and - recovering the particles of the materials of the first electrode (1; 1a, 1b) and of the second electrode that are generated during the spark discharges (F), - providing at least one third electrode which comprises at least one third metal; - disposing the third electrode in the dielectric; - applying a pulsed electrical voltage between the at least one first electrode (1; 1a, 1b) and the at least one third electrode ; - moving the at least one first electrode (1; 1a, 1b) and the at least one third electrode towards one another and generating electrical spark discharges (F) between them; and - recovering the particles of the materials of the first electrode (1; 1a, 1b) and of the third electrode that are generated during the spark discharges (F), <EOS>