Fenthion-sulfone, 10.0 µg/ml, Acetonitrile, 10ml

Diclofenac D4 acid (phenyl D4), 100 ng/µl, 1.1ml

2',3',4',5'-Tetrachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

Phosphorous Standards Phosphorus in Isooctane Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane