BTEX (1.0 µg/mL)

Oxalic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 144-62-7

Alachlor D13 (2,6-diethylphenyl D13), 10mg

Climbazol, 1000µg/ml in Acetonitrile, 1ml