A Student-Designed Potentiometric Titration: Quantitative Determination of Iron(II) by Caro's Acid Titration

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Article on a student-designed potentiometric titration and a quantitative determination of iron(II) by Caro's acid titration.

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2 p.

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Powell, Joyce R.; Tucker, Sheryl A. (Sheryl Ann); Acree, William E. (William Eugene); Sees, Jennifer A. & Hall, Lindsey H. October 1, 1996.

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Article on a student-designed potentiometric titration and a quantitative determination of iron(II) by Caro's acid titration.

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2 p.

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Abstract: A laboratory experiment involving the feasibility of using Caro's acid, H₂SO₅, as a titrant in the potentiometric determination of iron (II) is presented. Specific items considered in the experiment include (i) method of endpoint detection; (ii) shelf-life stability of titrant; (iii) accuracy, relative precision and experimental uncertainty; and (iv) which common cations and/or anions (if any) interfere with the titration. Typical student results gave iron (II) concentrations within 1-2 % of the "true" values. Of the 14 cation/anion pairs suggested in the paper, only time(II) was found to interfere with the quantitative determination of iron (II) using Caro's acid titrant.

Reprinted with permission from the Journal of Chemical Education. Copyright 1996 American Chemical Society.

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  • Journal of Chemical Education, 1996, Washington D.C.: American Chemical Society, pp. 984-985

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  • Publication Title: Journal of Chemical Education
  • Volume: 73
  • Issue: 10
  • Page Start: 984
  • Page End: 985
  • Pages: 2
  • Peer Reviewed: Yes

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  • October 1, 1996

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  • July 9, 2015, 6:19 a.m.

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Powell, Joyce R.; Tucker, Sheryl A. (Sheryl Ann); Acree, William E. (William Eugene); Sees, Jennifer A. & Hall, Lindsey H. A Student-Designed Potentiometric Titration: Quantitative Determination of Iron(II) by Caro's Acid Titration, article, October 1, 1996; [Washington, D.C.]. (digital.library.unt.edu/ark:/67531/metadc674032/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.