Published June 1, 1960
| public
Journal Article
The Ionization of Citric Acid Studied by the Nuclear Magnetic Resonance Technique
- Creators
- Loewenstein, A.
- Roberts, John D.
Chicago
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Abstract
The chemical shift of the methylene hydrogens in citric acid was measured as a function of the PH and the concentration of the solution. From these measurements it was possible to evaluate the chemical shifts associated with each ionization step in citric acid. Measurements were also made of methylene resonance line positions for ionized and non-ionized methyl ester of citric acid. Analysis of the results indicates that the first and second ionizations of citric acid take place predominantly at the terminal carboxyl groups.
Additional Information
© 1960 American Chemical Society. Received September 14, 1959. Supported by the Office of Naval Research.Additional details
- Eprint ID
- 61334
- Resolver ID
- CaltechAUTHORS:20151020-124116029
- Office of Naval Research (ONR)
- Created
-
2015-10-20Created from EPrint's datestamp field
- Updated
-
2021-11-10Created from EPrint's last_modified field
- Other Numbering System Name
- Caltech Gates and Crellin Laboratories of Chemistry
- Other Numbering System Identifier
- 2493