@article{silva_segundo_rangel_2003,  title={Use of a mixing chamber for sample preparation and multiple collection in sequential injection analysis: determination of sulfate in wines},  volume={14},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532003000100010},  DOI={10.1590/S0103-50532003000100010},  number={1},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Silva, Helena R. and Segundo, Marcela A. and Rangel, António O. S. S.},  year={2003},  month={Jan},  pages={59–64} }