Full Terms & Conditions of access and use can be found at https://www.tandfonline.com/action/journalInformation?journalCode=geac20 International Journal of Environmental Analytical Chemistry ISSN: 0306-7319 (Print) 1029-0397 (Online) Journal homepage: https://www.tandfonline.com/loi/geac20 Diffusive gradients in thin films based on banana peel and moringa seeds binding gel disks for in situ measurement of Cd, Cu, Pb and Zn Lauren N. Marques Yabuki, Karen S. Luko Sulato, Milena R. Boniolo, Amauri A. Menegário & Marcelo L. Garcia To cite this article: Lauren N. Marques Yabuki, Karen S. Luko Sulato, Milena R. Boniolo, Amauri A. Menegário & Marcelo L. Garcia (2020): Diffusive gradients in thin films based on banana peel and moringa seeds binding gel disks for in situ measurement of Cd, Cu, Pb and Zn, International Journal of Environmental Analytical Chemistry, DOI: 10.1080/03067319.2020.1729757 To link to this article: https://doi.org/10.1080/03067319.2020.1729757 Published online: 21 Feb 2020. Submit your article to this journal View related articles View Crossmark data