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. Author manuscript; available in PMC: 2012 Oct 18.
Published in final edited form as: Electrophoresis. 2008 Nov;29(22):4549–4560. doi: 10.1002/elps.200800156

Figure 6.

Figure 6

Distribution of carboxylic acids in urine from two normal rats. Samples A and B were derivatized with BAMP and BAMP-d9, respectively, and mixed at the ratio of 1:1. The results provided are the averages from 5 analyses of each sample. The experimental conditions are the same as in Figure 2. The numbers on the x-axis correspond to the following carboxylic acids: 1. nicotinic acid; 2. oxaloacetic acid; 3. oxalic acid; 4. succinic acid; 5. citric acid; 6. malic acid; 7. ketoglutaric acid; 8. methylcitric acid; 9. adipic acid; 10. suberic acid; 11. isocitric acid; 12. 3-methylgluteric acid; 13. formic acid;14. carbonic acid; 15. glyoxylic acid; 16. acetic acid; 17. propionic acid; 18. pyruvic acid; 19. oxamic acid; 20. lactic acid; 21. butyric acid, isobutyric acid; 22. benzonic acid; 23. 5-methylfuran-2-carboxylic acid; 24. 2-hydroxy-2-ethyl-succinic acid; 25. phenylacetic acid; 26. 3-indoleacetic acid; 27. 3-phenyl-propionic acid; 28. α-hydroxyphenylacetic acid; 29. suberic acid; 30. hippuric acid; 31. nalidixic acid.