Piranha solution, which contains but is not to be confused with Caro's acid, also known as piranha etch, is a mixture of sulfuric acid (H2SO4) and hydrogen peroxide (H2O2). The resulting mixture is used to clean organic residues off substrates, for example silicon wafers.
Piranha solution, which contains but is not to be confused with Caro's acid, also known as piranha etch, is a mixture of sulfuric acid (H2SO4) and hydrogen peroxide (H2O2). The resulting mixture is used to clean organic residues off substrates, for example silicon wafers.
Source: Wikipedia "Piranha solution" · CC BY-SA 4.0
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