@article{yang_hu_huang_yin_2005,  title={Study on the determination of lead, cadmium, mercury, nickel and zinc by a rapid column high-performance liquid chromatography},  volume={16},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532005000700011},  DOI={10.1590/S0103-50532005000700011},  number={6a},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Yang, Guangyu and Hu, Qiufen and Huang, Zhangjie and Yin, Jiayuan},  year={2005},  month={Nov},  pages={1154–1159} }