A Modified o-Phthalaldehyde Fluorometric Analytical Method for Ultratrace Ammonium in Natural Waters Using EDTA-NaOH as Buffer

by Hongzhi Hu, Ying Liang, Shuo Li, Qing Guo, Chancui Wu
Published 2014-01-01

A Novel Analytical Method for Trace Ammonium in Freshwater and Seawater Using 4-Methoxyphthalaldehyde as Fluorescent Reagent

by Ying Liang, Yingming Pan, Qing Guo, Hongzhi Hu, Chancui Wu, Qian Zhang
Published 2015-01-01