This Red Dye #26 Diesel Calibration Standard has a certified concentration of 9.0 mg/L with an uncertainty of +/- 2.3 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 This standard is included in the Red Dye #26 Calibration Kit, 6 x 100 mL (N9300284).