Alachlor, 250mg

L-(+)-Ascorbic acid, certified, 0.25g

N-Nitrosodimethylamine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 62-75-9

Tetraethyltin, 1000 µg/ml, Methanol, 5ml