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Publikováno v:
Journal of Chemical Education. 90:914-917
This laboratory experiment challenges students to identify the country of origin of raw coffee beans from around the world by calculating the percent caffeine and percent water in the supplied samples. The implementation of this experiment enables st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c96b445a76fc26d0992c2e0ae331c896
https://doi.org/10.1021/ed300654u
https://doi.org/10.1021/ed300654u
