Pesticides Calibration GC-MS/MS

4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml

Isobutyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4247-02-3

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