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Notes
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Post-Lab Questions
- What dyes are present in your powdered drink mix?
- What are the concentrations of the dyes in the drink mix you measured?
- How many milligrams of each dye are in an entire packet of the drink mix?
- If you drink one serving of the drink, how many milligrams of dye would you
ingest?
- Ingredients on a food label are listed in order from highest amount to lowest
amount. Are your results consistent with the food label on your drink mix
packet?
References
Sigman SB and Wheeler DE. “The Quantitative Determination of Food Dyes in
Powdered Drink Mixes. A High School or General Science Experiment.” Journal of
Chemical Education, 2004, 81: 1475–1478. DOI: 10.1021/ed081p1475.
Thermo Scientific “Food Dyes and Beer’s Law” Lesson Plan, 2019, FL53099,
https://assets.thermofisher.com/TFS-Assets/MSD/Scientific-Resources/FL53099-
food-dyes-beers-law-qc-lesson-plan.pdf Accessed December 13, 2022.
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