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May 4, 2020 · There is more than one recipe for piranha solution. The basic protocol combines concentrated sulfuric acid and aqueous hydrogen peroxide. Use 30% hydrogen peroxide in water. A higher concentration, such as 50% peroxide, greatly increases the temperature of the reaction and the risk of explosion.
Oct 7, 2014 · In this video we make and demonstrate the oxidizing power of piranha solution. Piranha solution is a 3:1 mixture of sulfuric acid to hydrogen peroxide. NOTE: I used nitrile gloves in this video...
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Apr 12, 2024 · This Fact Sheet gives hazard information and precautions for the preparation of Piranha solution and is a supplement to SOP: Corrosives and SOP: Strong Oxidizers, which must first be read and understood by anyone planning to work with this chemical.
Measure 75 ml of sulfuric acid (H2SO4) and transfer to chemical glass. Add 25 ml hydrogen peroxide (H2O2) to the acid very slowly to prevent overheat of the solution, never in reverse! Wait for 20 min to let Piranha cool down. Immerse your substrates in Piranha.
Introduction. "Piranha solution” is a substance that is used to remove organic residues from substrates. There are two different solutions that are used: Acid Piranha (most common): is a 3:1 mixture of concentrated sulfuric acid (H2SO4) with hydrogen peroxide (H2O2).
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Sep 4, 2019 · Piranha solution (also known as piranha etch or acid piranha) is a popular name for a solution of Caro's acid which is usually prepared by reacting sulfuric acid and hydrogen peroxide; it is used to clean organic residues from glassware or other acid resistant materials.
The traditional piranha solution is a 3:1 mixture of sulfuric acid and 30% hydrogen peroxide. The solution may be mixed before application or directly applied to the material, applying the sulfuric acid, followed by the peroxide.
