Sensitive and Selective Spectrophotometric Determination of Gabapentin in Capsules Using Two Nitrophenols as Chromogenic Agents

<table>Absorption spectra of (1) sample versus reagent blank (7.5 <i>μ</i>g mL<sup>−1</sup> GBP)-method A; (2) reagent blank-method A; (3) sample versus reagent blank (8.0 <i>μ</i>g mL<sup>−1</sup> GBP)-method B; (4) reagent blank-method B.</table>

International Journal of Analytical Chemistry

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Figure 1

Figure 1: Sensitive and Selective Spectrophotometric Determination of Gabapentin in Capsules Using Two Nitrophenols as Chromogenic Agents 