Research Article

Analysis of Reaction between -Lipoic Acid and 2-Chloro-1-methylquinolinium Tetrafluoroborate Used as a Precolumn Derivatization Technique in Chromatographic Determination of -Lipoic Acid

Figure 1

Lipoic acid (LA) (a) and its reduced form dihydrolipoic acid (DHLA) (b).