http://www.hghouston.com/ss_comp.html
"Corrosion resistance is enhanced by decreasing the carbon content, and increasing the nitrogen, chromium, nickel and molybdenum contents." I wrote; > > Terry Blanton wrote. > > > > > > > > > I appreciate all the great advice. I am not sure exactly what it is > > > that I am trying to do. :-) > > > > Don't discount the omnipresent aqueous CO2/H2CO3 either. > > The H+ and HCO3- or CO3= ions aren't ignoring the plate potentials. > that can be less than 0.4 volts to effect reduction of CO2. > > 5,928,806 Gas Research Institute > > "A solution of carbon dioxide in an aqueous solvent having electrolyte > dissolved therein is electrolyzed utilizing a molybdenum cathode. Faradaic > efficiency is generally quite high and without detectable corrosion." > > "In accordance with the present invention the above reaction is carried out > utilizing a molybdenum cathode. A molybdenum cathode can reduce carbon > dioxide to methanol selectively and with up to 80 to 100% faradaic > efficiency. Such reductions can occur, for example, at -0.7 V vs. SCE at pH > 4.2, only 160 mV negative of the standard potential corrected for pH." > > http://patft.uspto.gov/netahtml/PTO/srchnum.htm > > > > > > BTW, I did clean the plates with methylbenzene before assembly. But, > > > as you know, SS still looks oily when clean. > > > > > > Much more scum appearing on the surface. Still lots of anode bubbles. > > > 1.1 mA this morning. > > > > > > Terry > > > > > > > >
