Malathion, 100μg/mL in Acetonitrile, 1ml

N,N-dimethylperfluoro-1-octanesulfonamide , 1.2ml x 50ug/ml, methanol

Tris(2-isopropylphenyl) phosphate,50 µg/mL,toluene,1mL,

Thallium (Tl)