Please note that due to Covid and the holidays there may be delays in shipping.



Cobalt Glass Plates

CGP4X4

United Scientific Supplies

Regular price $61.47

We have 42 in stock.
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. 3" x 3" each.