Unrestricted.2016-11-142011-02-182016-11-141986-05http://hdl.handle.net/2346/15239Measurement of sulfur(IV) in formaldehyde stabilized samples in the 1-50 ppb range is carried out using anthranilic acid as a fluorescent amine substrate. Results are presented for optimization of pH, reagent concentration and conditions for obtaining the best limits of detection, and data for real environmental samples.application/pdfengFluorimetryAnthranilAir -- Pollution -- MeasurementSulfur dioxideDetermination of S(IV) at low parts per billion levels with anthranilic acidThesis