Cesium (Cs)

Nalidixic acid, 100mg

2,3',4',5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

2,2',3,3',4,5,6,6'-Octachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane