The titrimetric determination of carbon dioxide liberated in the ninhydrin reaction with amino-acids

A. M. Smith*, A. H. Agiza

*Corresponding author for this work

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The α-amino nitrogen in single amino-acids or in mixtures can be accurately determined by measuring the carbon dioxide released by ninhydrin A simple and convenient unit for the purpose and experimental conditions suitable for a quantitative reaction are described. Recoveries of from 97 to 102 per cent were attained with amounts corresponding to about 0.15 mg of α-amino nitrogen.

Original languageEnglish
Pages (from-to)619-623
Number of pages5
JournalThe Analyst
Volume76
Issue number908
DOIs
Publication statusPrint publication - 1 Dec 1951

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