1
Chemistry / What are the products when brine (NaCl) is electrolysed using steel electrodes?
« on: 04/06/2008 14:28:40 »
Hi
Can anyone help. (Being a forum newbie please be gentle.)
I'm looking at chemical disposition with differing electrodes and sodium chloride NaCl dissolved in water H2O, a salt water solution. Voltage connected across electrodes approx 6V.
With both anode and cathode made of steel ferric oxide appears to be liberated from the anode, turning the solution brown.
With a steel anode and an aluminium cathode aluminium oxide appears to be liberated from the cathode.
Can anyone help me with the chemical reactions taking place?
[mod edit - please endeavour to make subjects informative of the thread content. This helps visitors to find useful posts rapidly and will also, ultimately, translate into more answers for you - thanks, CS]
Can anyone help. (Being a forum newbie please be gentle.)
I'm looking at chemical disposition with differing electrodes and sodium chloride NaCl dissolved in water H2O, a salt water solution. Voltage connected across electrodes approx 6V.
With both anode and cathode made of steel ferric oxide appears to be liberated from the anode, turning the solution brown.
With a steel anode and an aluminium cathode aluminium oxide appears to be liberated from the cathode.
Can anyone help me with the chemical reactions taking place?
[mod edit - please endeavour to make subjects informative of the thread content. This helps visitors to find useful posts rapidly and will also, ultimately, translate into more answers for you - thanks, CS]