Determine the caffeine concentration of a selected beverage. Using the caffeine calibration curve above, determine the caffeine concentration (mg/mL) that corresponds to your beverage’s adjusted peak ...

Catharina Capitaine and Melanie Schüßler from the Faculty of Geosciences at the University of Tübingen, Tübingen, Germany ...

Use the calibration curve above to determine the concentration of sodium ions in this solution. The concentration is 0.02 g dm-3. A solution containing sodium ions gives a reading of nine units on ...