PIRANHA (H2SO4:H2O2)(70:30) Chemical Compatibility

Piranha solution, a mixture of sulfuric acid (H2SO4) and hydrogen peroxide (H2O2) in a 70:30 ratio, is a highly reactive and corrosive cleaning solution used to remove organic residues from substrates. It is widely used in microfabrication and semiconductor industries to clean silicon wafers and other surfaces. The solution is extremely exothermic, producing heat and releasing oxygen gas, making it highly dangerous to handle. Proper safety measures, including the use of gloves, goggles, face shields, and lab coats, are essential. Piranha solution should be prepared and used in a well-ventilated fume hood. Storage in appropriate, labeled containers is crucial to prevent accidents. Disposal must follow stringent regulations to avoid environmental harm. Due to its powerful oxidizing properties, piranha solution is effective for thorough cleaning, but its use requires strict adherence to safety protocols to prevent severe injuries and chemical accidents.

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