Abstract
An automated and on-line solid-phase extraction (SPE)-liquid chromatography (LC) procedure is described for the determination of insulin in biological matrices. The total procedure consists of two SPEs in series, followed by RP-LC separation. During the first SPE a strong anion-exchange (SAX) cartridge (ISOLUTE, 40-90 μm, 10×4 mm i.d.) is used, followed by a RP-cartridge (Luna C
Original language | English |
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Pages (from-to) | 295-309 |
Journal | Journal of Pharmaceutical and Biomedical Analysis |
Volume | 32 |
Issue number | 2 |
DOIs | |
Publication status | Published - 2003 |