# C2083-0505 Determination of LPTM via HPLC-UV by ChraSil D120 Phenyl
Column : ChraSil D120 Phenyl, 50mm x 2.0mm, 5µm Part No. : [C1448-D5000](https://chrasil.com/1448-D5000 "1448-D5000") Mobile Phase : A: H2O + 0.1% HCOOH, B: CH3CN + 0.1% HCOOH Gradient : 15% - 90% B in 5 mins, hold at 90% B for 5 mins Flow Rate : 0.4 mL/min Temperature : Ambient Detection : UV, 220 nm **Peak Identification** 1. Aspartame 2. Cortisone 3. Reserpine 4. Dioctyl phthalate
[![image-1627381717477.png](https://chratec.info/uploads/images/gallery/2021-07/scaled-1680-/image-1627381717477.png)](https://chratec.info/uploads/images/gallery/2021-07/image-1627381717477.png) ChraNotes