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

<table>Effect of reagents concentrations on the color development: (1) corresponding blank-method A; (2) sample versus corresponding blank (8.0 <i>μ</i>g mL<sup>−1</sup> GBP)-method A; (3) corresponding blank-method B; (4) sample versus reagent blank (10.0 <i>μ</i>g mL<sup>−1</sup> GBP)-method B.</table>

International Journal of Analytical Chemistry

fig3

Figure 3

Figure 3: Sensitive and Selective Spectrophotometric Determination of Gabapentin in Capsules Using Two Nitrophenols as Chromogenic Agents 