Dissolving Ceramic With Acid

I need to dissolve ceramic shell from a bronze cast and i was wondering if there is a liquid solution available to remove the remaining shell.

Dissolving ceramic with acid.

Porcelain one of the stronger ceramics won t really react with any acid except hf hydrofluoric acid as you see in breaking bad. Ceramic core materials are selectively dissolved from light metal e g. I am a student and the sandblaster is currently being repaired so i am looking for a solution to this. Aluminium alloy castings which are themselves susceptible to attack by caustic alkali solutions by providing the core material with a substance containing hydrogen donor group which is capable of producing nascent hydrogen and contacting the core with fused anhydrous caustic alkalis.

Aluminium or light alloy e g. Elemental fluorine is produced from it. There are many types of ceramics. The time depended on the.

It is commonly used to etch glass and silicon. Examples include the commonly used pharmaceutical antidepressant medication fluoxetine prozac and the material ptfe teflon. A liquid free flowing flux which can dissolve the ceramic is only one part of a successful smelt albeit a big part. Molten naoh for more multiple material and for more precise stuff i use either 70 hf or the same with adding sulfuric acid and the more cruel and devastating way being molten oxone there are some disadvantages of the last.

Stronger acids such as fluoroantimonic acid might be able to dissolv.