Development and Validation of an HPLC Method for Simultaneous Assay of Potassium Guaiacolsulfonate and Sodium Benzoate in Pediatric Oral Powder

Table 4

Results of ANOVA analysis for calibration curve of sodium benzoate.

ANOVA^b
Model	Sum of squares	df	Mean square	F	Significance
1
Regression	2.077E12	1	2.077E12	1.552E4	0.000^a
Residual	4.016E8	3	1.339E8
Total	2.078E12	4

^aPredictors: (constant), Conc. ^bDependent variable: area