Magnesium chloride: an efficient 13C NMR relaxation agent for amino acids and some carboxylic acids |
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| Authors: | Tian Jinping Yin Yingwu Sun Hongbing Luo Xiaofeng |
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| Institution: | Department of Chemistry, Tsinghua University, Beijing 100084, PR China. |
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| Abstract: | A series of amino acids and carboxylic acids were determined by 13C NMR spectroscopy. The results showed that addition of 3 M MgCl(2), led to shortening of relaxation time and 13C NMR integral area of samples was well proportional to the number of carbon atoms with reliability more than 95%. So MgCl(2) is proposed as an efficient relaxation agent for analysis of amino acids and some carboxylic acids. |
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