L-Histidine hydrochloride monohydrate, 250mg

Pesticides - Mix 2, 100µg/ml in Water, 5ml

Sotalol-d6 Hydrochloride, 1mg

MTBE Resolution Test Mixture 3 Analytes, each at 1 Wt.% in MTBE; units: 1x1mL, 5x1mL, 1x5mL, 5x5mL trans-2-Pentene tert-Butanol cis-Pentene