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SHOP PRODUCTS
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Product InformationNodal points are visualized by introducing a small quantity of lycopodium powder into the tube. Vibration of the enclosed air column is then made manifest by the peak and valley formation of the dry powder. Tell a Friend about this item
Customers Ratings and Reviews
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Green: General Storage
White: Corrosive
Yellow: Oxidizer
Red: Flammable
Blue: Toxic
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