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.

Clear polystyrene plate features 24 each 5/8"

Clear polystyrene plate features deep uniform wells and include lids. Each well has an alpha-numeric marking. Non-sterile plates are individually wrapped in a plastic bag. The 24-well plate measures 5" long x 3-1/4" wide x 7/8" high. Flatbottomed wells are 5/8" deep and approximately 10mm in…

These economical white plastic plates are suitable for most applications in which glass or porcelain plates are used; however, they are not recommended for strong solvents such as acetone or xylene. Each plate measures 112 x 92mm, Supplied in a pack of 12. 6 or 12 cavities, each cavity is 2cm…