I live in a small largely agricultural country any chemical is difficult
to obtain (unless it has a household or agricultural use). I'd like to
try hydrochloric acid and hydrogen peroxide as an etchant and I can buy
HCl in the hardware store (for cleaning concrete) but H2O2 is a little
more difficult $25 / litre for 35% plus hazardous goods freight from
300Km away. Sodium Percarbonate is cheap and readily available as a
cleaning agent. In solution Sodium Percarbonate becomes sodium carbonate
and hydrogen peroxide. It seems to me that a mixture of hydrochloric
acid and sodium percarbonate would end up as hydrochloric acid, hydrogen
peroxide, salt and carbon dioxide. Has anyone tried percarbonate in this
way as an etchant?
to obtain (unless it has a household or agricultural use). I'd like to
try hydrochloric acid and hydrogen peroxide as an etchant and I can buy
HCl in the hardware store (for cleaning concrete) but H2O2 is a little
more difficult $25 / litre for 35% plus hazardous goods freight from
300Km away. Sodium Percarbonate is cheap and readily available as a
cleaning agent. In solution Sodium Percarbonate becomes sodium carbonate
and hydrogen peroxide. It seems to me that a mixture of hydrochloric
acid and sodium percarbonate would end up as hydrochloric acid, hydrogen
peroxide, salt and carbon dioxide. Has anyone tried percarbonate in this
way as an etchant?