Research Article

Stability-Indicating RP-TLC/Densitometry Determination of Raloxifene Hydrochloride in Bulk Material and in Tablets

Table 3

Robustness of the method.

Parameter±SD of peak area% RSD

Mobile-phase composition: methanol : water : ammonia (96 : 04 : 0.1 v/v)50.891.5
Mobile-phase composition: methanol : water : ammonia (94 : 06 : 0.1 v/v)52.741.6
Mobile-phase volume (±2 mL)47.911.4
Development distance (±0.5 cm)44.031.3
Activation of TLC plate (±5 min)48.840.9
Duration of saturation (±5min)44.971.4
Time from spotting to chromatography (±10 min)40.160.9
Time from chromatography to scanning (±10 min)49.341.2