Fenoxaprop-P-ethyl, 100 µg/ml, Acetonitrile, 5ml

ICP-AES CRI, Soil Matrix, in 5% HNO3, 100ml

Sodium 1H,1H,2H,2H-perfluorooctane sulfonate (6:2), 50µg/ml in MeOH, 1,2ml

Calibration sol. CS4 for HRGC/HRMS Analysis of PCBs, in Nonane, 200µl