Table 1.

Elemental composition of various types of cookware (g/kg).

Elements	Non-Anodized Aluminum (n = 8)	Anodized Aluminum (n = 8)	Steel (n = 7)	Copper (n = 7)
Al	979.32 ± 18.19	961.34 ± 9.50	ND	ND
Fe	9.12 ± 0.54	10.72 ± 0.70	735.89 ± 15.44	8.80 ± 0.05
Pb	3.2 ± 0.25	4.64 ± 0.20	0.88 ± 0.01	2.90 ± 0.12
Cr	0.27 ± 0.008	0.20 ± 0.01	139.66 ± 3.76	ND
Ni	0.25 ± 0.01	0.38 ± 0.00	12.74 ± 0.05	2.86 ± 0.06
Cu	2.32 ± 0.07	3.67 ± 0.17	3.94 ± 0.04	887.18 ± 7.79
K	0.50 ± 0.03	0.52 ± 0.09	ND	ND
Zn	1.38 ± 0.05	2.63 ± 0.097	ND	58.49 ± 1.2
Ca	2.43 ± 0.80	3.97 ± 0.92	0.088 ± 0.001	4.26 ± 0.41
V	0.20 ± 0.06	0.05 ± 0.009	0.75 ± 0.078	ND
Mn	0.92 ± 0.01	1.43 ± 0.06	92.45 ± 5.49	ND
Sn	0.11 ± 0.03	0.149 ± 0.02	ND	9.80 ± 0.09
Si	ND	1.03 ± 0.00	13.09 ± 1.63	22.06 ± 3.26
Zr	ND	0.02 ± 0.00	ND	ND
Bi	ND	ND	0.52 ± 0.00	ND
Tb	ND	ND	ND	1.08 ± 0.70
I	ND	ND	ND	1.92 ± 0.004
S	ND	ND	ND	0.35 ± 0.07
Mo	ND	ND	ND	0.30 ± 0.004

ND = Not detected.