Determination of S(IV) at low parts per billion levels with anthranilic acid
Date
1986-05
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Publisher
Texas Tech University
Abstract
Measurement 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.