Retention Time Verification Standard

BTEX (1.0 µg/mL)

2,4-TDI Derivative, 1000 µg/mL in DMSO, 1ml

1,2,3-Trimethylbenzene, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 526-73-8