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SINODREAM Potassium Iodide, High Purity Crystals/Powder, 100 Grams
Potassium iodide crystals are a versatile chemical compound with various applications in the pharmaceutical, photographic, and chemical industries. These high-purity crystals from our brand offer exceptional quality and reliability for your specific needs.
Elephant Toothpaste experiment
The Elephant Toothpaste experiment is a popular and visually striking chemical reaction that demonstrates the rapid decomposition of hydrogen peroxide, producing a large amount of foam. It is often used as an engaging science demonstration to teach concepts like catalysts, exothermic reactions, and decomposition. Here's a detailed description of the experiment:
- Hydrogen Peroxide (H₂O₂): Typically, a high concentration (e.g., 30%) is used for a more dramatic reaction, but lower concentrations (e.g., 6% or 12%) are safer and more common for classroom demonstrations.
- Dish Soap: To create the foam.
- Catalyst: Potassium Iodide (KI): A common catalyst for the reaction. Alternatively, dry yeast mixed with warm water can be used as a safer, household-friendly catalyst.
- Food Coloring (optional): To make the foam more visually appealing.
- Container: A graduated cylinder, plastic bottle, or beaker to hold the reaction.
- Safety Gear: Gloves, goggles, and lab coats to protect against splashes.
Elephant Toothpaste experiment Procedure
- Prepare the Container: Place the container on a tray or in a basin to catch any overflow.
- Add Hydrogen Peroxide: Pour the hydrogen peroxide into the container.
- Add Dish Soap: Add a generous amount of dish soap to the hydrogen peroxide and mix gently. The soap will trap the oxygen gas produced during the reaction, creating foam.
- Add Food Coloring (optional): Add a few drops of food coloring to the mixture for a colorful effect.
- Add the Catalyst: If using potassium iodide, dissolve it in a small amount of water and quickly pour it into the container.
- Observe the Reaction: The mixture will rapidly decompose, producing a large amount of oxygen gas and foam that expands out of the container, resembling "elephant toothpaste."
Joshua Perdue
Reviewed in the United States on March 31, 2024
Just kidding… or am I?
Lawrence T.
Reviewed in the United States on January 10, 2023
Great source for reagents!
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