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eluent: ortofosforna kislina (4.7)/kalijev dihidrogenfosfat (4.8)/tetrametilamonijev bromid (4.9)/voda/acetonitril (4.1) 10/50/100/340/90 (v/v/v/v/v).
eluant: orthophosphoric acid (4.7) / potassium dihydrogenorthophosphate (4.8) / tetramethylammonium bromide (4.9)/water/acetonitrile (4.1) 10/50/100/340/90 (v/v/v/v/v).