Measurement of sodium valproate in serum by direct-insertion chemical-ionization/mass spectrometry.
Open Access
- 1 January 1980
- journal article
- Published by Oxford University Press (OUP) in Clinical Chemistry
- Vol. 26 (1) , 147-149
- https://doi.org/10.1093/clinchem/26.1.147
Abstract
To quantitatively determine sodium valproate, we use a stable isotope-labeled internal standard and chemical-ionization/mass spectrometry, without prior chromatographic separation. The technique is rapid, simple, sensitive, and provides for the routine analysis of 100 microL of serum with good within-day and day-to-day precision. The technique also allows for the simultaneous determination of phenobarbital, mephobarbital, carbamazepine, primidone, and phenytoin.Keywords
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