Phosphate (PO43-) as P

Parathion,100 µg/mL,cyclohexane,1mL,

Fensulfothion-sulfone, 100 µg/ml, Cyclohexane, 1

1,2,7,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene