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 language | English |
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Pages (from-to) | 619-623 |
Number of pages | 5 |
Journal | The Analyst |
Volume | 76 |
Issue number | 908 |
DOIs | |
Publication status | Print publication - 1 Dec 1951 |