Isocaffeine (1,3,9-Trimethylxanthine), neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 519-32-4

Tribenuron-methyl, 100μg/ml in Acetonitrile, 5ml

D18-Octane, 1ml

Dialy Quality Control Standard (without Internal Standard) 2 Analytes, each Vol.% as listed in isooctane; units: 1x10mL, 5x10mL. Name Vol.% Benzene 0.67 Toluene 5.0 Isooctane 94.33