From: 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 forms
Parameter
HPTLC
HPLC
Mean
99.62
96.78
Variance
46.51
23.15
Observations
6.00
Df
5.00
F
2.01
P(F ≤ f) one-tail
0.23
F Critical one-tail
5.05