Stability Indicating HPTLC Method for Analysis of Rifaximin in Pharmaceutical Formulations and an Application to Acidic Degradation Kinetic Study

Table 3

Intra- and interday precision of HPTLC method.

Amount (ng/band)	Intraday precision^a		Interday precision^a
	SD	% RSD	SD	% RSD
800	1.06	1.03	1.37	1.31
1600	0.17	0.16	0.42	0.41
3200	1.59	1.63	1.62	1.64

^a𝑛=3 replicates.