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WebPiranha solution is only to be collected for disposal after it has fully reacted, cooled and the gases of reaction have had adequate time to dissipate. DO NOT COMBINE ANY OTHER WASTE SOLUTION WITH SPENT PIRANHA SOLUTION. acid base - Dissolving Organic Tissues - Chemistry Stack Exchange contact this location, Window Classics-Tampa For example, piranha (H~2~SO~4~ and H~2~O) can dissolve diamonds at 350-370 C. The mixture is both an extremely strong It's made of sulfric acid and hydrogen peroxide. Squeaky clean Is organic formula better than regular formula. Aqua regia can dissolve many metals that are normally very challenging to dissolve, such as platinum, silver and gold. This means the solution can also easily dissolve fabric and skin, potentially causing severe damage and chemical burns in Quantities less than 100ml should be neutralized. The neutralization process is exothermic and an ice bath may be necessary for temperature control. Neutralization should be performed in a fume hood, and proper PPE must be worn (acid resistant lab coat and/or apron with sleeve covers, gloves (rubber or butyl) and chemical splash goggles). Piranha solution should be diluted to a concentration of less than 10% by adding the solution to water. 609-258-2711, Steve Elwood After dilution, a concentrated solution of sodium hydroxide or sodium carbonate can be slowly added a few milliliters at a time while vigorously stirring until the pH reaches between 4 and 10. If using carbonates as a neutralizing agent, be aware that bubbling and foaming may occur, leading to additional splash and spill hazards. Once the solution has been neutralized to within a pH of 4-10, the solution can be disposed of via a drain that leads to the sanitary sewer system with copious amounts of water. Effects of piranha solution on metals