Ethion

Tri-n-butylphosphate-d27, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 61196-26-7

Tribufos , 10µg/mL, Solvent-ac.nitrile, Unit 1mL, # of units-1, Cas.no. 78-48-8

Internal & Surrogate Standard 8260B