Metformin-d6 HCl, 1000µg/ml in MeOH, 1ml

Chloridazon-desphenyl, 100 µg/ml, Acetonitrile,

Norfloxacin, 100mg

EPA O-FID Quantitative Calibration Check Standard (without Internal Standard) 4 Analytes, each Wt.% as listed in RFA Gasoline; units: 1x10mL, 5x10mL Name Wt.% Name Wt.% Methanol 4.0Methyl tert-butyl et