Life cycle indicator comparison of copper, silver, zinc and aluminum nanoparticle production through electric arc evaporation or chemical reduction Martin Slottea*, Gregory Methab, Ron Zevenhovena a* Åbo Akademi University, Thermal and Flow Engineering Laboratory Turku, Finland, martin.slotte@abo.fi Åbo Akademi University, Thermal and Flow Engineering Laboratory Turku, Finland, ron.zevenhoven@abo.fi b University of Adelaide, 5005, Department of Chemistry Adelaide, South Australia, Australia, greg.metha@adelaide.edu.au a Appendix H LCI results for nano-particle production using the arc discharge method for different experiments Products marked with “A” and “B” have been produced by University of Duisburg-Essen Germany and Metal Nanopowders Ltd., United Kingdom, respectively. Figure H1 LCI for copper nano-particle production at experimental yields Figure H2 LCI for silver nano-particle production at experimental yields Figure H3 LCI for zinc nano-particle production at experimental yields 2 Figure H4 LCI for aluminum nano-particle production at experimental yields 3