Matrix spike standard

Pentachlorophenol, 10 µg/ml, Acetonitrile, 10ml

n-Undecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1120-21-4

Reserpine, 10µg/ml in Acetonitrile, 10ml