Astragaloside IV, >98%, 20mg

Revised Oxygenate Quality Control Standard (with Internal Standard) 14 Analytes, each Wt.% as listed in RFA Gasoline; units: 1x10mL, 5x10mL Name Wt.% Name Wt.% Methanol 1 Di-isopropyl ether 1 Ethanol 1 iso-Butanol

Perfluorooctane sulfonic acid, 100 ng/µl, 1ml

2,4-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane