Method 1613 Internal Standard Spiking Solution, 200ng/ml in Nonane, 0,5ml Back Catalog number: EDF-5999 Availability: In the manufacturer's stock Price on request - + Recommended 673648 Paraoxon-ethyl, 100 µg/ml, Ethyl acetate, 5ml Price on request 0374.19-200-T 7,9-Dimethylbenz[c]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 963-89-3 Price on request 1157.37-100-IO n-Heptatriacontane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7194-84-5 Price on request