Protonation Constants of Valine, Serine, and β-Alanine in Artificial Seawater at 25 °C

The protonation constants of some amino acids commonly found in natural waters, namely valine, (CH3)2CHCH2CH(NH2)COOH; serine, OHCH2CH(NH2)COOH; and β-alanine, NH2CH2CH2COOH, have been studied at different ionic strength of artificial seawater and at 25 °C by potentiometry with a commercial glass el...

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Bibliographic Details
Published in:Journal of chemical and engineering data 1998-05, Vol.43 (3), p.393-395
Main Authors: Fiol, Sarah, Vilariño, Teresa, Herrero, Roberto, Sastre de Vicente, Manuel E, Arce, Florencio
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
Inorganic chemistry and origins of life
Isotopes and labelled compounds chemistry
Preparations and properties
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Summary:The protonation constants of some amino acids commonly found in natural waters, namely valine, (CH3)2CHCH2CH(NH2)COOH; serine, OHCH2CH(NH2)COOH; and β-alanine, NH2CH2CH2COOH, have been studied at different ionic strength of artificial seawater and at 25 °C by potentiometry with a commercial glass electrode. The results have been interpreted by the Pitzer interaction model.
ISSN:0021-9568
1520-5134
DOI:10.1021/je9700838