abstract:Spark ionization (also known as spark source ionization([is a method used to produce gas phase ion]s from a solid sample. The prepared solid sample is vaporized and partially ionized by an intermittent discharge or spark.
If the vacuumnearthecathodeis too poor, it willgeneratespark, gasionization and ionbombardment on cathode, which can result in a fastattenuationof the emissioncurrent.