Caffeine for system suitability, 10mg

Arochlor 1254, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11097-69-1

O,O-Diethyldithiophosphate-13C4, sodium salt

3,3',5,5'-Tetrabromobisphenol A diallyl ether, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 25327-89-3