Determination of theophylline and paraxa
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Pilar Campíns-Falcó; Francisco Bosch-Reig; Rosa Herráez-Hernández; Adela Sevilla
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Article
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1992
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Elsevier Science
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English
⚖ 631 KB
The simultaneous determmatlon of theophylhne and paraxanthme m urine samples by the H-pomt standard additions method (HPSAM) IS described Samples are extracted with Cl, solid-phase extraction cartndges and chromatographed using a Hypersd Cl,-ODS column and a mobile phase conslstmg of acetomtnle-phos