Table 6.

Average content of metals in components and sub-assemblies of electronic devices.

Element, mg·kg−1	Type of Electronic Equipment Subassembly
	Photoresistors	Photodiodes BPW34	Outdoor Solar Lamps	TV LED Screen	LCD Screen	Solar Cell	Phototransistors
Te	0.020	0.003	0.003	0.005	0.170	0.030	0.040
Ge	2.590	0.150	0.060	0.06	0.062	0.131	0.231
Tl	0.010	0.010	0.011	0.810	0.091	0.381	0.142
Cd	2313	49.82	7.140	1.96	0.26	1.020	51.88
Ba	104.9	22.73	44.15	5.542	158.8	30.23	33.78
Co	8.691	2.060	1.680	1.561	2.462	8.071	5.110
Mn	195.4	14.53	11.16	9.540	15.62	42.21	44.53
Cr	5738	317.2	137.4	129.5	2875	685.3	400.6
Cu	64,177	12709	160.83	104.55	109.9	2565	2101
Ni	157.4	173.7	87.03	78.27	77.07	313.1	354.6
Pb	7.541	19.44	764.6	25.46	8.111	1766	134.3
Sr	19.68	61.85	18.71	145.5	570.6	74.90	73.17
Zn	169.6	62.74	37.37	25.96	26.30	164.1	38.20