“…Coating thickness and composition (58,110,138,363,434,463,529,638,666) Foods ( 57) Gases (615) General (61,385,439,491) High purity elements (593) In situ ore analysis (2, 9, 455, 568) Low atomic number elements (133) Mail sorting (168,544) Metal identification (89,351) Microanalysis (343) Ores (56, 82, 124, ¡36, 158, 169,170,455,478,479,492,533,534,565,637,666) Petroleum and hydrocarbons (210,492) Slurries (121,122,(124)(125)(126)610) Solutions (57,386 as compared to sodium+-when anions are the source of photoelectrons.…”