Research Article

Detection, Risk Assessment, and Survey of Four Polycyclic Aromatic Hydrocarbon Markers in Infant Formula Powder

Table 3

Recovery rate of PAH4 in the spiked infant formula test.

Chemicals0.5 (μg/kg)0.5 (μg/kg)1.0 (μg/kg)1.0 (μg/kg)5.0 (μg/kg)5.0 (μg/kg)Fapas oil (μg/kg)Amount recovered (μg/kg)
ARRRSD%ARRRSD%ARRRSD%

BaP97.88.390.110.498.45.22.04–5.243.93
CHR89.214.294.312.497.56.72.83–7.286.41
BaFA77.39.679.48.484.74.81.16–2.982.24
BaP111.88.786.14.296.44.40.90–2.321.56

ARR, average recovery rate (%); RSD, relative standard deviation.