Paraxanthine, 50mg

Oxygenated Quantitative Calibration Mixtures (without Internal Standard) 4 Analytes, each Wt.% as listed in isooctane/xylene (65:35); unit: 5x10mL one of each Std. Analyte Analyte Std. 1 Std. 2 Std. 3 Std. 4 Std.

Fenbendazole, 100µg/ml in Acetonitrile, 5ml

Chloroethane