United Scientific

Egg-shaped magnetic stir bar with blunt edges, 30mm long with a 13mm diameter. High-quality magnet coated with PTFE. Available in multiple sizes and designs.

Single-pole, single-throw knife switch with plastic base is suitable for low voltage experiments (less than 3.6V). Includes screw connecting posts. Pack of 7

Set of 12 slotted aluminum weights: 9 x 20g, 1 x 10g, and 2 x 5g. Also includes a 50g aluminum hanger.

Egg-shaped magnetic stir bar with blunt edges, 15mm long with a 7mm diameter. High-quality magnet coated with PTFE. Available in multiple sizes and designs. Pack of 2

Economy Porcelain Buchner Funnel with 50mm diameter and 50ml capacity. Acid and alkali . Pack of 3

Heavy-duty polypropylene funnels include a molded-in handle. Designed to provide convenient filling of carboys, drums and barrels. Pack of 2

Pack of 100 steel pins, size #3. Coated with a corrosion- finish. Feature round epoxy head. Pack of 2

Glass plate, 8" x 11". Made of clear soda lime glass, 2mm thick, with ground polished edges. Useful for a variety of general laboratory applications including as a cover, mixing surface, etc.

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...

Pack of six shallow-form porcelain evaporating dishes with lip and flat bottom. Each dish has a capacity of 300ml, with a diameter of 150mm and a height of 40mm. Dishes are glazed inside and out,...

Double convex lens with 75mm diameter and 150mm focal length. Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges. Pack of 2

High Alumina Crucible,Cylindrical Form,