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. 2013 Dec 1;26(4):181–186. doi: 10.1089/ped.2013.0280

Table 4.

Results of Nickel and Cobalt Release from Mobile Phones

Brand Type of phone Model No. of phones tested No. of (%) phones nickel positive No. of nickel-positive areasa No. of (%) phones cobalt positive No. of cobalt-positive areasa
Apple
Smartphone
iPhone 3GS
3
0
 
0
 
 
Smartphone
iPhone 4
12
0
 
0
 
 
Smartphone
iPhone 4S
10
0
 
0
 
RIM (Blackberry)
Smartphone
Bold 9650
8
4 (50%)
4 (Keypad)
0
 
 
Smartphone
Torch 9860
1
0
 
0
 
 
Smartphone
Curve 8530
4
0
 
0
 
 
Smartphone
Tour 9630
4
1 (25%)
1 (Keypad)
0
 
Motorola
Smartphone
Droid 2 A955
9
0
 
0
 
 
Flip phone
v265
2
2 (100%)
2 (Middle button)
0
 
 
Flip phone
E815
1
1 (100%)
1 (Middle button)
1 (100%)
1 (Middle button)
 
Flip phone
v950
2
0
 
0
 
LG
Flip phone
VX4400
7
7 (100%)
7 (Middle button); 7 (back of phone); 2 (side button)
2 (28.6%)
2 (Middle button); 2 (side button)
 
Flip phone
CV500
1
1 (100%)
1 (Middle button, ear speaker)
1 (100%)
1 (Middle button)
 
Flip phone
VX6100
1
1 (100%)
1 (Middle button)
0
 
Samsung
Flip phone
SCHA670
6
6 (100%)
6 (Middle button); 3 (side button); 3 (back of phone)
6 (100%)
6 (Middle button)
Sony Ericsson® Flip phone Z520a 1 1 (100%) 1 (Middle button) 0  
a

A single phone may have tested positive in more than one area.

Positive results are in bold.