Figure 8. GC-MS for 10 μmol/L of lidocaine (12.5 min: “L”) and caffeine (13 min: “C”). Experimental conditions: Column: RTX-35 (Restek), carrier gas: Helium, temperature-profile: 100°C (1 min isotherm), temperature-rate: 15°C/min, final temperature: 280°C, 5 min isotherm. Left: Injection volume: 2μL, right: Injection volume: 10 μL

From

Rapid and Sensitive Spectroelectrochemical Detection of Lidocainehydrochloride and Caffeine with Screen-Printed Electrodes

A. Habekost

World Journal of Chemical Education. 2016, 4(5), 107-113 doi:10.12691/wjce-4-5-3