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From $11.79
Original: $33.70
-65%United Scientific™ COBALT GLASS PLATES—
$33.70
$11.79The Story
Pack of six high-quality, dark blue cobalt glass filters, 2" x 2". 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.
Description
Pack of six high-quality, dark blue cobalt glass filters, 2" x 2". 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.
