"Educational Materials"
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The Chemistry of Invisible Inks STEM Kit
Explore How Invisible Inks Are Made
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Determination of Water Hardness
Use Color Transition of Titration to Determine Water Hardness.
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Innovating Science® Oscillating Reactions - Yellow to Blue and Back
Prepare a flask containing a yellow solution, as you mix it on a magnetic stirrer the solution will turn from yellow to blue and back to yellow.
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Determination of the Ammonia Nitrogen Concentration in Water
Determine the Amount of Nitrogen in Water Samples.
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