Piranha Solution

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. Because the mixture is a strong oxidizing agent, it will remove most organic matter, and it will also hydroxylate most surfaces (add OH groups), making them highly hydrophilic (water compatible).

Read more about Piranha Solution:  Preparation and Use, Applications, Mechanism of Action, Safety and Disposal

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Piranha Solution - Safety and Disposal
... Piranha solution is very dangerous, being both strongly acidic and a strong oxidizer ... Solution that is no longer being used should never be left unattended if hot ... Piranha solution should not be disposed with organic solvents (e.g ...

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