You will use a high performance liquid chromatography instrument (HPLC) to analyze caffeine in various beverages. The main parts of the HPLC include the following: The HPLC used in this lab has a ...

In this laboratory, students will see how to isolate caffeine from a cup of coffee and use spectroscopy to measure the amount of caffeine present. This lab was created by the Ren Research group at ...

The present study emphasizes a novel way of quantification of caffeine in real as well as laboratory samples based on a nanomaterial-assisted electrochemical technique.

Rinsing coffee beans with methylene chloride, which bonds to caffeine to remove it. Removing liquid caffeine solution that is formed. Drying and roasting the decaf coffee beans at 400 degrees ...