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amaranth

Pb, ash analysis of heavy metals

 value                  literature
----------------------------------
    3.00 ppm                 1
    4.00 ppm                 1
    6.00 ppm                 1
   12.00 ppm                 1
   14.00 ppm                 1
----------------------------------
count                        5
average                   7.80 ppm
standard deviation        4.40 ppm(56 %)

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