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A Simplified Method for Finding the pKa of an Acid-Base Indicator by Spectrophotometry

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George S. Patterson

Suffolk University, Chemistry Department, 41 Temple Street, Boston, MA 02114-4280

J. Chem. Educ., 1999, 76 (3), p 395

DOI: 10.1021/ed076p395

Publication Date (Web): March 1, 1999

Section:

History, Education, and Documentation

Abstract

Experiments on determining the pKa of an acid-base indicator by visible spectroscopy are often found in analytical and physical chemistry lab texts. The procedure described here is a modification suitable for general chemistry lab students.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Laboratory Instruction

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Acids / Bases

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This article has been cited by 14 ACS Journal articles (5 most recent appear below).

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Article

A Simplified Method for Finding the pKa of an Acid-Base Indicator by Spectrophotometry