title: A rapid and sensitive gas-liquid chromatographic procedure for the micro determination of sodium valproate (sodium di-N-propylacetate) in plasma or serum.
abstract: A gas-liquid chromatographic procedure for the micro determination of sodium valproate is described. Valproic acid is extracted from acidified plasma or serum into n-heptane containing an internal standard (octanoic acid) and after phase separation an aliquot is analysed by gas-liquid chromatography. The procedure is rapid, reliable, sensitive and specific. It requires 25--50 microliter sample for a single estimation, has a detection threshold of less than 10 mumol/l, and is suitable for routine clinical use.
mesh_terms: D002849:Chromatography, Gas; D006801:Humans; D008722:Methods; D014631:Valerates / Q000097:blood*; D014635:Valproic Acid / Q000097:blood*
chemical_list: D014631:Valerates; D014635:Valproic Acid