For the infrared spectrophotometric method for the determination of Total Recoverable Petroleum Hydrocarbons.

• Mixture contains chlorobenzene, 25.0% (v/v), n-Hexadecane, 37.5% (v/v), and 2,2,4-Trimethylpentane, 37.5% (v/v)

Mixture is packaged at the stated percentages in a 1 ml ampoule. Each standard includes an ampoule breaker, deactivated amber screw-top vial, extra product label, Certificate of Analysis, and Material Safety Data Sheet (MSDS).