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Direct linkMeelapsom, Rattapol; Rattanakaroonjit, Waranphat; Prakobkij, Akarapong; Malahom, Nutthaporn; Supasorn, Saksri; Ruangchai, Sukhum; Jarujamrus, Purim – Journal of Chemical Education, 2022
The present work describes a simple hands-on experiment kit for colorimetric quantification of ferric (III) ion (Fe[superscript 3+]) in an aqueous medium using anthocyanin extracted from "Ruellia tuberosa" L. as a green indicator. The extraction of a high amount of anthocyanin was easily accomplished by using only hot water instead of an…
Descriptors: Science Instruction, Chemistry, Hands on Science, Science Experiments
