Silica (SiO2)

Heptachlor-endo-epoxide (trans-, isomer A), 100 ng/µl, 1ml

3-n-Hexadecylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 119269-24-8

Ofloxacin, 100µg/mL in Acetonitrile, 1ml