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. Author manuscript; available in PMC: 2008 Aug 22.
Published in final edited form as: Environ Sci Technol. 2007 Jul 15;41(14):5137–5142. doi: 10.1021/es062929a

Table 3.

First shell EXAFS fittings of gold metal and the gold present in plant tissue under different growth conditions

Sample Interaction CN R(Å) σ2(Å2) S02 Radius (ηm)
Gold Metal Au-Au 12.0 2.86 0.0075 0.84 N/A
Roots 50 ppm Au-Au 8.6 2.85 0.0081 0.84 7.6
Roots 100 ppm Au-Au 9.8 2.85 0.0077 0.84 11.7

CN denotes the coordination number, R is the interatomic distance given in angstrom, σ2 is the Debye Waller factor in square of angstrom, and S0 denotes goodness of fit.