Determination of nano-molar levels of nitrite in natural water by spectrophotometry after preconcentration using Sep-Pak C-18 cartridge

SU-CHENG PAIChung, S. W.S. W.ChungHo, T. Y.T. Y.HoTsau, Y. J.Y. J.Tsau2020-07-242020-07-2419960306-7319https://scholars.lib.ntu.edu.tw/handle/123456789/510687Determination of nano-molar levels of nitrite in natural water by spectrophotometry after preconcentration using Sep-Pak C-18 cartridgejournal article10.1080/03067319608028132WOS:A1996UT96800001