Stress Degradation Assessment of Lamotrigine Using a Validated Stability-Indicating HPTLC Method

Table 1

Regression and statistical parameters for the determination of LAM using the proposed HPTLC method.

Parameter	Value
Linearity range (ng/spot)	10–300
𝑟	0.9998
𝑎	26.75
𝑏	126.31
𝑆𝑎	32.77
𝑆𝑏	1.08
𝑆𝑦/𝑥	56.27
𝑡^∗	0.82

∗Statistical significance of the intercept 𝑡=|𝑎|/𝑆_𝑎 [16, 17] theoretical value of 𝑡=2.78 (at 𝑃=0.05 level of significance, number of points =6).