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

Table 1

Chemical monitoring ions and linear equations.

Chemicals	Abbr.	Identification ions	Internal standards	Abbr.	Identification ions	Linear equations	R^2
Benzo[a]anthracene	BaA	226, 229, 228	D12-benzo[a]anthracene	D12-BaA	236, 240	y = 0.326x – 0.016	0.999
Chrysene	CHR	226, 229, 228	D12-chrysene	D12-CHR	236, 240	y = 0.304x + 0.005	0.998
benzo[a]fluoranthene	BbFA	250, 253, 252	D12-benzo[a]fluoranthene	D12-BbFA	260, 264	y = 0.284x – 0.023	0.998
benzo[a]pyrene	BaP	250, 253, 252	D12- benzo[a]pyrene	D12-BaP	260, 264	y = 0.276x + 0.004	0.997

Note: “” represents the quantifier ions.