@article{barreto_barreto_scarminio_ishikawa_soares_proença_2010,  title={Determination of Ni(II) in metal alloys by spectrophotometry UV-Vis using dopasemiquinone},  volume={33},  ISSN={0100-4042},  url={https://doi.org/10.1590/S0100-40422010000100020},  DOI={10.1590/S0100-40422010000100020},  number={1},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Barreto, Wagner José and Barreto, Sonia Regina Giancoli and Scarminio, Ieda Spacino and Ishikawa, Dílson Norio and Soares, Miriam de Fátima and Proença, Marcus Vinícius Brás de},  year={2010},  pages={109–113} }