Manipulating Ratio Spectra for the Spectrophotometric Analysis of Diclofenac Sodium and Pantoprazole Sodium in Laboratory Mixtures and Tablet Formulation

Table 5

Results of single factor ANOVA for comparison of proposed methods for the determination of diclofenac (DCL) and pantoprazole (PAN).

Drug	Source of variation	Degree(s) of freedom	Sum of squares	Mean square	𝐹-value^a	𝑃 value
DCL	Between columns	2	0.9445	0.4723	0.8877 (5.1433)	0.4595
	Within columns	6	3.1920	0.5320
	Total	8	4.1365
PAN	Between columns	2	0.0455	0.0227	0.9876 (5.1433)	0.4258
	Within columns	6	0.1381	0.0230
	Total	8	0.1836

aValues in parentheses indicate the critical value of 𝐹.