Well done! The dichromate additive can be omitted for simplicity sake. It is poisonous, carcinogenic and a strong sensitizer with permanent effects.
The mist from electrolysis can carry it out from the cell, so it tends to spread and contaminate the surroundings.
There are safer alternatives available for the prevention of cathodic reduction:
At page 288 in the abovementioned text one can find the comparative table with different reduction prevention additives for chlorate production.
[Edited on 25-4-2019 by markx] |