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miscanthus; three annual

Pb, ash analysis of heavy metals

 value                  literature
----------------------------------
    5.00 ppm                 1
    6.00 ppm                 1
   11.00 ppm                 1
   12.00 ppm                 1
   12.00 ppm                 1
   13.00 ppm                 1
   13.00 ppm                 1
   13.00 ppm                 1
   13.00 ppm                 1
   15.00 ppm                 1
   15.00 ppm                 1
   17.00 ppm                 1
   17.00 ppm                 1
   21.00 ppm                 1
   23.00 ppm                 1
   23.00 ppm                 1
   34.00 ppm                 1
   34.00 ppm                 1
----------------------------------
count                       18
average                  16.50 ppm
standard deviation        7.76 ppm(47 %)

UNIVERSITY OF TECHNOLOGY VIENNA
Institute of Chemical Engineering, Fuel and Environmental Technology
Getreidemarkt 9/159
A-1060 Vienna
Austria