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 ...

Lindsey. The researchers found that caffeine content in the brewed coffee depended on the roasting process and the extraction ...

For hardcore coffee enthusiasts and casual drinkers alike, the distinction between cold brew and iced coffee presents an intriguing choice. While both deliver that sought-after caffeine boost, they ...