“…Numerous analytical techniques were constructed and developed to detect SeO 3 2À , including spectrophotometry, 19 fluorescence spectroscopy, 20 gas chromatography, 21 high performance liquid chromatography, 22 mass spectrometry, 23 atomic absorption spectroscopy, 24,25 catalytic kinetic spectrophotometric method, 26 inductively coupled plasma atomic emission spectrometry (ICP-AES), 27 stripping voltammetry, 28 neutron activation analysis (NAA), 29 and electrothermal atomic spectroscopy. 30 However, most of these analytical methodologies relied upon expensive instrumentation, professional labor and complicated laborious procedures, which limited their universal and widespread applications.…”