This Red Dye #26 Diesel Calibration Standard has a certified concentration of 10.0 mg/L with an uncertainty of +/- 2.5 mg/L. This control standard is produced by VHG™ from a highly characterized, certified dye, delivering consistent from lot to lot performance for each calibration standard with excellent correlation statistics. Each lot of the product passes rigorous Quality Control by UV-VIS and each product ships with a comprehensive Certificate of Analysis (CoA). Size: 100 mL Matrix: Kerosene