Summary
A new direct potentiometric titration method for the determination of oxirane oxygen has been developed. This method is applicable to a great variety of epoxy compounds and epoxy plasticizers. Carboxyl groups do not interfere, and a greater accuracy and reproducibility are obtained than in any of the indirect methods used.
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Durbetaki, A.J. Direct potentiometric titration of oxirane oxygen by hydrogen chloride-acetic acid. J Am Oil Chem Soc 33, 221–223 (1956). https://doi.org/10.1007/BF02632266
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DOI: https://doi.org/10.1007/BF02632266