Spot Plate, 12 Cavity, Plastic, 12 Pack

United Scientific® Spot Plate, 12 Cavity, Plastic by United Scientific is an economical white polystyrene spot plate with 12 wells, measuring 112 mm x 92 mm and sold in packs of 12. It replaces glass or porcelain plates for most drop-scale tests, though not for strong solvents such as acetone or xylene. Teaching labs use it for indicator, qualitative ion and biology tests where color changes must be easy to see.