Figure 1.
Chromatogram of mix standard solution (a), Mucibaby sample solution (b), placebo (c), and peak purity of analytes (peak 1 (d) and peak 2 (e) of potassium guaiacolsulfonate and peak of sodium benzoate (f)). Note: 1 and 2 denotespeak 1 and peak 2 of potassium guaiacolsulfonate, respectively. 3: Peak of sodium benzoate.