@article{adamo_junger_jesus_2021,  title={APPLICATION OF WATER BEADS AS A NOVEL AND SIMPLE SORBENT FOR SMARTPHONE-BASED COLORIMETRIC DETERMINATION OF IRON IN WATER},  volume={44},  ISSN={0100-4042},  url={https://doi.org/10.21577/0100-4042.20170782},  DOI={10.21577/0100-4042.20170782},  number={10},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Adamo, Cristina B. and Junger, Ayandra S. and Jesus, Dosil P. de},  year={2021},  pages={1360–1363} }