# 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](https://chrasil.com/C0911-A5032 " 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 1. Morphine sulfate 2. Codeine 3. Oxycodone 4. Hydrocodone bitartrate
[![image-1627385945836.png](https://chratec.info/uploads/images/gallery/2021-07/scaled-1680-/image-1627385945836.png)](https://chratec.info/uploads/images/gallery/2021-07/image-1627385945836.png) ChraNotes