Method 200.8/1638/1640 Internal Standard

Parathion-ethyl, 100μg/mL in Acetonitrile, 1ml

Bis(phenylthio)methane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3561-67-9

N-[3-(perfluoro-1-hexanesulfonamido)propan-1-yl]-N,N,N-trimethylammonium, 1.2ml x 50ug/ml, methanol