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value literature
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3.20 ppm 1
3.70 ppm 1
4.30 ppm 1
6.90 ppm 1
7.00 ppm 1
7.78 ppm 1
8.35 ppm 1
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count 7
average 5.89 ppm
standard deviation 1.94 ppm(33 %)

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