Stability Indicating RP-HPLC Method for the Simultaneous Determination of Atorvastatin Calcium, Metformin Hydrochloride, and Glimepiride in Bulk and Combined Tablet Dosage Form

Table 6

Forced degradation studies data of ATR, MET, and GLM.

	MET		ATR		GLM
	%assay	%Drdn.	%assay	%Drdn.	%assay	%Drdn.
Acid	99.52	0.48	69.8	30.19	93.6	6.4
Base	69.5	30.5	88.5	11.49	100.2	—
Hydrolysis	101.46	—	92.91	7.08	91.14	8.86
Photolysis	99.82	0.18	96.2	3.8	99.25	0.75

Drdn: degradation; .