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. Author manuscript; available in PMC: 2012 Jun 15.
Published in final edited form as: J Neurosci Methods. 2011 Apr 4;198(2):158–171. doi: 10.1016/j.jneumeth.2011.03.012

Table 3.

Corrosion rates for tungsten estimated from the impedance response.

System Rp (MΩ cm2) rcorr (µm/yr)
W in PBS 1700 200 ≤ rcorr ≥ 500
W/Au in PBS 1200 300 ≤ rcorr ≥ 700
W/Au in PBS + H2O2 40 10,000 ≤ rcorr ≥ 20,000