Parathion-ethyl, 100 µg/ml, Toluene, 1ml Back Catalog number: 677981 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8707.12-100-IO 2,2',3,4',5,5',6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-68-0 Price on request 0256.22-200-T Anthanthrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-26-4 Price on request S-4273-ASS-IOX5 NPD Cocktail 5 S-4273 Unit size: 1 ml, 5 x 1mL, 10 x 1mL in isooctane 0711,10 Naphthalene 1.0 mg/ml 0816,14 Phenanthrene 0.5mg/ml 0884,12 Dibenzothiophene 0.25mg/mL Price on request