Detection of Cyanuric Acid and Melamine in Infant Formula Powders by Mid-FTIR Spectroscopy and Multivariate Analysis

Figure 2

Mid-FTIR spectra of infant formula powder with different concentrations of (a) melamine (0.5–20 µg/L) and (b) cyanuric acid (0.5–20 µg/L).

(a)

(b)