GC-MS lati ṣe idanwo aloku ipakokoropaeku ati DEHP, DBP LC-MS lati ṣe idanwo Sudan Red GC lati ṣe idanwo iyoku epo ICP-MS lati ṣe idanwo Irin Eru Pb Hg Cd Cr Ni HPLC akoonu idanwo
