Fig. 4From: Stability indicating high performance thin layer chromatography method development and validation for quantitative determination of tetracycline hydrochloride in tetracycline hydrochloride active pharmaceutical ingredient (API) and its dosage formsPareto charts showing the effect of MP composition change(1) and change of other factors (mobile phase volume, saturation time, activation time and solvent migration distance) (2) on responses of the HPTLC methodBack to article page