Is the Gold in My Jewelry Real?
In this Science Buddies project, you will determine if the antimicrobial properties of metals are a good test for whether or not a piece of jewelry is made out of real gold. You can customize this kit to include the safe E. coli bacteria, nutrient broth, nutrient agar plates, and other supplies needed to complete this experiment.
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Escherichia coli, K-12 Strain, Living, Tube Item #155068
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Nutrient Agar, Prepared Media Plates, 100 x 15 mm, Pack of 10 Item #821862
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Pyrex® Glass Griffin Beaker, Low Form, Measuring, 250 mL Item #721209
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Ethanol, 70%, Laboratory Grade, 500 mL Item #861261
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Glass Spreader Item #703413
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Sterile Transfer Pipet, Pack of 100 Item #214551
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Disposable Polyethylene Gloves, Medium, Box of 100 Item #706346