(https://www.thevespiary.org/rhodium/Rhodium/hive/hiveboard/picproxie_docs/000300203-file_ef4m.gif)
(https://www.thevespiary.org/rhodium/Rhodium/hive/hiveboard/picproxie_docs/000300203-file_ersa.gif)
Synthesis of Fremy's Salt:
http://www.chem.umn.edu/class/4711/mann02s/sylschsup/expa.pdf (http://www.chem.umn.edu/class/4711/mann02s/sylschsup/expa.pdf)