13C3-Caffeine, 10mg

n-Tetradecane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 629-59-4

Anions Mix 2, varied µg/ml in Water, 100ml

Bentazone, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 25057-89-0