International Stock Std Florisil Cartridge Quality Control Standard Mixture 10ml Cyclohexane

1,000 µg/mL each in cyclohexane, 10 mL/ampul (enough to check one Florisil cartridge) Total hydrocarbon concentration 2,000 µg/mL

Diesel #2 (additive-free) (68334-30-5)
Mineral oil (additive-free [i.e., USP grade] bp 325–460 or C18–C32 retention time range) (8042-47-5)