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

Mixed Calibration Standard 4

n-Pentacosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-99-2

Tritolylphosphate (isomer mixture), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1330-78-5