Interferenceinthe Proposed Selected Methodfor Determination of Theophyllineby Liquid Chromatography

recovery, a 10.72 0.49 84.3 6.Orcutt, J.J.,Kozak,P.P.,Gillman, S.A., and Cummins, L. H., Microscale method for theophylline in body fluids by reversed-phase high pressure liquid chromatography. Clin. Chem. 23,559-601 (1977). 7. Van den Bemd, A. A., Van Gorp, M. J. L. M.,and Verhoff, M. C. C., Bepaling van theophylline inserum met behulp van HPLC. Pharm. Weekbl. 113, 424-428 (1978). 8. Tang, D. D. S., Ph.D. thesis, Univ. Calif. San Francisco, 1981, p 176. 9. Sved, S., and Wilson, D. L., Simultaneous assay of the methylxanthine metabolitesof caffeine in plasma by high performance liquid chromatography. Res. Commun. Chem. Pathol. Pharmacol. 17, 319-331 (1977). 10. Danhof, M., Loomans, B. M., and (3.0) Breimer, D. D., Bepaling van theophylline in 10.72 0.49 102.0 plasma en speeksel, in aanwezigheid van 15 5) coffeine-metabolieten, met behulp van HPLC. Pharm. Weekbl. 113, 672-676 31.39 1.44 93.9 (1978). (2.8) 11. Miksic,J.R.,and Hodes,B.,Theophylline analysis by reversed-phase-high-pressure liquid chromatography: Elimination of inTheophylline