6:2 FTOH, 50μg/ml in MeOH, 5ml

Praseodymium (Pr)

2-Methylbenzofuran, 1000µg/ml in Acetone, 1ml

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