pH 4.0 Standard @ 25°C

4,4'-DDD (=TDE), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 72-54-8

Prothiofos, 100 µg/ml, Toluene, 1ml

Valproic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 99-66-1