Methadone/Methaqualone/Propoxyphene

Ethanol standard in water,0.8g/L,water, 1.5mL

Benfluralin, 10.0 µg/ml, Ethyl acetate, 10ml

Hydrogensulfide, 2000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 7783-06-4