4-Ethylcatechol, 100 µg/ml, Methanol, 10ml

Phosphamidon 100 µg/mL in Acetonitrile, 1ml

2,2,6,6-Tetramethylheptane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 40117-45-1

Sodium perfluoro-[13C8]octanesulfonate, 1.2ml x 50ug/ml, methanol