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Direct linkXu, Chunxiu; Lin, Wanqi; Cai, Longfei – Journal of Chemical Education, 2016
A demonstration is described of electrophoretic separation of carmine and sunset yellow with a paper-based device. The channel in the paper device was fabricated by hand with a wax pen. Electrophoretic separation of carmine and sunset yellow was achieved within a few minutes by applying potential on the channel using a simple and inexpensive power…
Descriptors: Science Instruction, Scientific Concepts, Chemistry, College Science
