Elemental Compositions of Over 80 Cell Phones

Over the last few years, 85 cell 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 nonmetals. The following list of 38 elements were detected in some or all of the p...

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Bibliographic Details
Published in:Journal of electronic materials 2014-11, Vol.43 (11), p.4199-4213
Main Authors: Christian, Beverley, Romanov, Alexandre, Romanova, Irina, Turbini, Laura J.
Format: Article
Language:English
Subjects:
Cellular telephones
Characterization and Evaluation of Materials
Chemical elements
Chemistry and Materials Science
Discharges for spectral sources (including inductively coupled plasmas)
Electric discharges
Electronics and Microelectronics
Exact sciences and technology
Instrumentation
Materials Science
Optical and Electronic Materials
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Solid State Physics
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Summary:Over the last few years, 85 cell 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 nonmetals. The following list of 38 elements were detected in some or all of the phones: Be, B, Mg, Al, Ti, V, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Y, Nb, Pd, Ag, In, Sn, Sb, Te, Ba, Ta, W, Pt, Au, Tl, Pb, Bi, Pr, Nd, Sm, Eu, Gd, Tb, Dy, and Er. Cadmium was never detected. This paper discusses the methods used for carrying out the analysis, proposes possible sources in the telephones for the elements of interest, the reasons for the interest in most of the elements, and method repeatability.
ISSN:0361-5235
1543-186X
DOI:10.1007/s11664-014-3310-3