Ning, Xia, and Ji-Hua Zhang. “Determination of Phosphoric Acid in the Air of Workplace by Ion Chromatography”. Asian Journal of Chemistry 25, no. 3 (October 9, 2012): 1684–1686. Accessed November 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_3_115.