Halosulfuron-methyl, 100 µg/ml, Acetonitrile, 5m

BTEX (1.0 µg/mL)

Metformin, 1000μg/ml in MeOH, 1ml

Metoxuron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 19937-59-8