My vortex connection has been unreliable for days. This is a test, but with some relevant info.
This company make a version of Shell 105. riogeninc.com <mailto:i...@riogeninc.com> Their version of 105 catalyst is: 87.9% Fe2O3+2.5% Cr2O3+9.6%K2OH. The version used by Holmlid was apparently higher in potassium. Not sure about the chromium.