International Stock Std Standard Mixture Stock Solution 1ml, Cyclohexane

5,000 µg/mL each in cyclohexane, 1 mL/ampul (prepares 8 mL of 1.25 µg/µL calibration curve high point). Total hydrocarbon concentration is 10,000 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)