Li, Song, and Yuanyuan Zhou. “Lead(II) Ion Selective Electrode With PVC Membrane Based on 5,5’-Dithiobis-(2-Nitrobenzoic Acid) As Membrane Carrier”. Asian Journal of Chemistry 24, no. 4 (December 14, 2011): 1711–1714. Accessed July 9, 2024. https://asianpubs.org/index.php/ajchem/article/view/8824.