Aflatoxin mix, certified reference material, in methanol (varied conc.), ampule of 5 × 1 mL
Aflatoxin mix, certified reference material, in methanol (varied conc.), ampule of 1 × 5 mL
Aflatoxin mix, certified reference material, in benzene:acetonitrile (98:2 ; varied conc.), ampule of 5 × 1 mL