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United Scientific™ Cobalt Glass Plates, 4" X 4", Pk/6

High-Quality Dark Blue Cobalt Glass Filter Is Used In Sodium And Potassium Salt Flame Tests. When A Flame Is Viewed Through This Filter, The Color Orange Is Blocked So That A Violet-Colored Flame Is Visible. Sold As Packs Of 6.

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Original price $53.36 - Original price $53.36
Original price $53.36
$56.59 - $56.59
Current price $56.59

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