Gao, Hong-Wen. “Primary-Secondary Wavelengths Spectrophotometry to Improve the Direct Determination of Trace Amounts of Volatile Phenol in Wastewater”. Asian Journal of Chemistry 12, no. 2 (March 30, 2010): 511–514. Accessed November 29, 2024. https://asianpubs.org/index.php/ajchem/article/view/22988.