Development and Validation of HLPC Method for the Estimation of Lamotrigine in Bulk and Pharmaceutical Formulations

Table 1

Precision of the method.

Intraday precision		Interday precision
Injection	Area	Injection	Area
Injection-1	3108761	Injection-1	3139181
Injection-2	3113250	Injection-2	3126470
Injection-3	3123530	Injection-3	3135139
Injection-4	3129896	Injection-4	3143320
Injection-5	3136552	Injection-5	3143734
Average	3122398	Average	3137569
Standard deviation	11483.6	Standard deviation	7120.1
% RSD	0.37	% RSD	0.23

Acceptance criteria:   the % RSD should be between less than 2.0.