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Direct linkJaconiano, Yasmim R.; Goulart, Juliana S.; Barros, José C.; Michel, Ricardo C. – Journal of Food Science Education, 2021
It began in 1869, and today we have 118 elements listed in the Periodic table, thanks to Mendeleev's work. Carbon, hydrogen, oxygen, and nitrogen are elements presented in many organic compounds. Some of them can exhibit photophysical and photochemical properties. Herein, we proposed an easy to make an experiment in chemistry classes to connect…
Descriptors: Chemistry, Food, Color, Scientific Concepts
Peer reviewedMatthews, Kurt R.; Landmark, James D.; Stickle, Douglas F. – Journal of Chemical Education, 2004
The procedure to produce standard curve for starch concentration measurement by image analysis using a color scanner and computer for data acquisition and color analysis is described. Color analysis is performed by a Visual Basic program that measures red, green, and blue (RGB) color intensities for pixels within the scanner image.
Descriptors: Computer Software, Computer Peripherals, Color, Chemistry
