C2090-0512 Determination of Narcotics via LC by ChraSil A100 C8, 150mm x 4.6mm, 5µm Column : ChraSil A100 C8, 150mm x 4.6mm, 5µm Part No. : C0911-A5032 Mobile Phase : A: 10 mM HCOONH4, pH 3.0,                         B: CH3OH Gradient : 15% - 50% B in 6 minutes Flow Rate : 1.0 mL/min Temperature : Ambient Detection : UV, 254 nm Peak Identification Morphine sulfate Codeine Oxycodone Hydrocodone bitartrate  ChraNotes