Application of Certain π-Acceptors for the Spectrophotometric Determination of Alendronate Sodium in Pharmaceutical Bulk and Dosage Forms

Table 2

Determination of alendronate sodium in the presence of possible excipients (5 μg mL⁻¹ of alendronate sodium was taken for interferences studies).

Excipient	Amount taken; (g mL^−1)	% Recovery ± RSD (𝑁=5); method A	%  Recovery ±RSD (𝑁=5); method B
Microcrystalline cellulose	300	99.6 + 0.25	99.6 + 0.25
Anhydrous lactose	300	99.5 + 0.25	99.5 + 0.25
Magnesium stearate	200	100.1 + 0.30	100.1 + 0.30
Croscarmellose sodium	100	99.8 + 0.40	99.8 + 0.40
Calcium phosphate	50	99.4 + 0.45	99.4 + 0.45