Validated HPTLC Method for Simultaneous Estimation of Atenolol and Aspirin in Bulk Drug and Formulation

Table 4

Analysis of commercial formulation.

	Mean ± SD (𝑛=6)	Recovery (%)
	Atenolol found (mg per tablet)
Atenolol (50 mg)	50.09 ± 3.90	100.18
1st Lot	49.77 ± 4.11	99.54
2nd Lot
	Aspirin found (mg per tablet)
Aspirin (100 mg)
1st lot	99.73 ± 6.31	99.73
2nd lot	99.45 ± 6.39	99.45