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Microscale pH Titrations Using an Automatic Pipet

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Edward B. Flint , Carrie L. Kortz and Max A. Taylor

Department of Chemistry, Bradley University, Peoria, IL 61625

J. Chem. Educ., 2002, 79 (6), p 705

DOI: 10.1021/ed079p705

Publication Date (Web): June 1, 2002

Abstract

A microscale pH titration technique that utilizes an automatic pipet is presented. A small aliquot (1-5 mL) of the analyte solution is titrated with repeated additions of titrant, and the pH is determined after each delivery. The equivalence point is determined graphically by either the second derivative method or a Gran plot. For more accurate work the pipet can be calibrated gravimetrically.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Analytical Chemistry

Keywords (Feature):

The Microscale Laboratory

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Acids / Bases

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History

Received: August 03, 2009

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Lab-Expt

Microscale pH Titrations Using an Automatic Pipet

Abstract

Keywords (Audience):

Keywords (Domain):

Keywords (Feature):

Keywords (Pedagogy):

Keywords (Subject):

Tools

SciFinder Links

History

Recommend & Share

Related Content

Sherlock Holmes and the Case of the Raven and the Ambassador's Wife: An Inquiry-Based Murder Mystery

Blood or Taco Sauce?: The Chemistry behind Criminalists' Testimony in the O. J. Simpson Murder Case

Annulations leading to diene systems. Total synthesis of the diterpenoid (.+-.)-(14S)-dolasta-1(15),7,9-trien-14-ol

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