Praseodymium (Pr)

EPA O-FID Quantitative Calibration Check Standard (with Internal Standard) 5 Analytes, each Wt.% as listed in RFA Gasoline; units: 1x5mL, 5x5mL Name Wt.% Name Wt.% Methanol 3.80Methyl tert-buty

2-Ethylanthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 52251-71-5

Metolachlor oxanilic acid (OA), certified, 10mg