Clopyralid, 100µg/ml in Acetonitrile, 1ml

2-Chlorothioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 86-39-5

Erbium Oxide (Er2O3)

EPA Method 515.1 Underivatized