Elemental Compositions of Over Two Dozen Cell Phones

Published:

November 8, 2012

Author:

Bev Christian, Irina Romanova, Laura Turbini

Abstract:

first published in the 2012 IPC APEX EXPO technical conference proceedings. Twenty-nine different cells phones have been disassembled, ground up, dissolved and analyzed for elemental content, mainly for information about the metals present in the phones, but also for some metalloids and non-metals. The paper will discuss the method used and propose possible sources in the telephones for certain elements of interest and the reasons for the interest in some of the elements....

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November 10, 2012

Hi Bev. Nice paper. The logistics of doing the analysis must have been challenging. The two surprises were: * Large amount of iron * Small amount of bismuth I accept the amount of iron, but why do you suppose there is so little bismuth. None of these suppliers are using tin bismuth solder?

November 10, 2012

Dave, Nope, none in that batch of phones. I will be publishing (I hope!) a peer reviewed version of the paper with over 70 phones and so far only ONE phone had an appreciable amount of bismuth - and that was a phone from 1998! Bev

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Company Information:

Research In Motion (RIM) is a leading designer, manufacturer and marketer of innovative wireless solutions for the worldwide mobile communications market.

Waterloo, Ontario, Canada

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