How to make piranha solution
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Mix sulfuric acid with hydrogen peroxide in ratio 3:1 by volume. Measure 75 ml of sulfuric acid (H2SO4) and transfer to chemical glass. Add 25 ml hydrogen peroxide (H2O2) to the acid very slowlyto prevent overheat of the solution, never in reverse!
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Piranha Solution, also known as piranha etch, is a mixture of Sulfuric acid (H2SO4) and Hydrogen peroxide (H2O2) used to clean organic residues off substrates.
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