Omeprazol, 100µg/ml in Acetonitrile, 5ml

(S)-(-)-Cotinine, 1000µg/ml in MeOH, 1ml

Prosulfuron, 100 µg/ml, Acetonitrile, 5ml

MTBE Contaminant Standard Low Contaminant Mixture 11 Analytes, each 0,1 Wt.% in MTBE; units: 1x1mL, 5x1mL, 1x5mL, 5x5mL tert-Amyl methyl ether 2-Methylbutane trans-2-Pentene tert-Butanol 2-Methyl-2-butene Triisobutylen