Norfloxacin, 100 µg/ml, Methanol, 1ml

n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 17851-53-5

Chlorsulfuron, 1000μg/ml in MeOH, 1ml

Precision and Recovery Solution, 1.2ml, nonane