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

Table 10

Results of ANOVA analysis for content of potassium guaiacolsulfonate and sodium benzoate.

ANOVA
	Sum of squares	df	Mean square	F	Sig.
Guaiacol
Between groups	4,603	20	0.230	0.322	0.996
Within groups	30,000	42	0.714
Total	34,603	62
Benzoate
Between groups	7,556	20	0.378	0.881	0.609
Within groups	18,000	42	0.429
Total	25,556	62