Acid Burn Granite

The acid has reacted with the granite and etched the surface very slightly.

Acid burn granite.

Acid rain is created by air pollutants. Wine and other alcohol. Acidic foods such as lemons or tomato sauce can discolor a granite counter top and mar its beauty. It is quite possible that the damage is minor but the most reasonable method of restoring the surface is by polishing.

Get 30 40 hydrogen peroxide the chemical grade version which is available at chemical supply stores some beauty supply stores and online. Granite is mostly silica and hydrofluoric acid is used by geologists to dissolve silica minerals. A chemical burn occurs when your skin or eyes come into contact with an irritant such as an acid or a base. Granite is not however invulnerable to damage.

The chemicals fall to earth as acid rain. Prolonged or repeated exposure to acidic compounds can wreak havoc on the finish of your granite countertops. Why acids damage granite. A positive vigorous reaction indi.

Sulphur dioxide a byproduct of industrial development and burning fossil fuels combines with nitrogen oxide an air pollutant created by car exhaust furnaces boilers and engines. When acid etching occurs you can often repair the surface by polishing away the damage and restoring its shine. Acid rain is slowly destroying once resistant granite. The reason acidic cleaners damage natural stone is because stone contains some concentration of calcite which reacts to even weak acids by dissolving.

Chemical burns are also known as caustic burns. It should also dissolve most of the feldspar but the presence of calcium minerals forms insoluble calcium fluoride. First rinse the area thoroughly with water to dilute and remove as much of the lye as possible. For the sake of your granite we do not recommend diy solutions to granite etching.

The acid test is one of dropping cold dilute 10 hydrochloric acid hcl on a mineral or rock. Next you can try using a poultice to draw the stain out of the stone. Although it is resistant to etching acids and other corrosive agents may etch its surface. Marble and limestone have a high amount of calcite and are most susceptible to etching but granite is not impervious.

Two paths could be taken first check granite and marble suppliers to see if they offer supplies or a service to polish. Acids in foods household cleaners and other substances all have the potential to make the finish look dull and damaged.