Figure 8From: Validated spectrophotometric methods for determination of Alendronate sodium in tablets through nucleophilic aromatic substitution reactionsEffect of the time on the reaction of ALD (15 μg/mL) with DNFB at room temperature: ● in presence of 0.8 mL of 1% w/v cetrimide solution. ■ in absence of cetrimide.Back to article page