Calibration Standard Mix 2

Paraxanthine, neat, Solvent-neat, Unit 50mg, # of units-1, Cas.no. 611-59-6

Carbazole-d8, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 97960-57-1

Heptachlor-exo-epoxide (isomer B), 1.2mL x 100ug/mL, nonane