Two salts are in common use for this purpose, potassium permanganate and potassium bichromate.
potassium bichromate may be substituted for the sodium bichromate.
potassium bichromate finds application in photography, in calico-printing and in the preparation of bichromate cells.
Prolonged soaking in a hot solution of potassium bichromate which has been acidified with sulphuric acid will often prove useful.
Corrosive sublimate or potassium bichromate are most frequently used for these purposes.
In case bay wood is used, it can be given the appearance of old mahogany by first coating it with a wash of potassium bichromate.
From this we learn that before the potassium bichromate enters into action in the battery, it is resolved into chromic acid.
In one case, for example, decinormal solutions of potassium carbonate and potassium bichromate were used.
Mungo Ponton, in 1838, discovered the sensitive quality of potassium bichromate, which led up to carbon printing.
I take a solution of acetate of lead (sugar of lead), and to it I add some solution of bichrome (potassium bichromate).