Tartaric acid

Dichlofenthion, 10 µg/ml, Acetonitrile, 10ml

PAH EPA+EU(15+1) mix, 100µg/ml in TO, 5x1ml

Phenol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 108-95-2