Retention Time Verification Standard

1,2,3,4-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Perthane, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 72-56-0

Ciprofloxacin hydrochloride hydrate, 100mg