d="p0005">A new modified glassy carbon electrode was prepared and characterized.
dd><dt class="label">•dt><dd>d="p0010">The signal of tannic acid was noticed and investigated at modified electrode.
dd><dt class="label">•dt><dd>d="p0015">A sensitive voltammetric procedure for tannic acid determination was developed.
dd><dt class="label">•dt><dd>d="p0020">The method was applied to determination tannic acid in orange sample.
dd>dl>