Isoproturon, 100µg/ml n Acetonitrile, 1ml

p-Xylene, 5ml

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

2,3,3',4,4',5'-Hexachlorobiphenyl, 5mg