"GSC International"

Osmosis Basic Experiments Have Never Been Clearer.

Used for securing support stands to lab benches and for a multitude of other applications.

Durable and corrosion-resistant.

Great for displacement experiments and density measurements.

Double convex lens for optics experiments.

Shelf Life (months): Indefinite
Storage: Green

Jumbo-Sized Pulleys are Designed for Classroom Demonstrations

Size Top Diameter Bottom Diameter

Size 1 11.1 mm 8.3 mm

Size 2 12.7 mm 9.5 mm

Size 3 14.2 mm 10.7 mm

Size 4 15.8 mm 11.9 mm

Size 6 19.0 mm 14.6 mm

Size 20 41.2 mm 34.0 mm

Designed for use in the lab to take precise weight of solids.

For joining two rubber tubes to a common tube at right angles. Safer connections are provided as the ends have constrictions to hold rubber tubing securely.

No two liquids have exactly the same boiling point. Therefore it is possible to separate any mixture of two liquids by raising the temperature of the mixture to a point where one of the liquids will boil but the other will remain liquid.

This nickel-plated spoon and spatula tool is 14.9 cm long.

Deflagration Spoons are commonly used in experiments that require students to burn phosphorous, sulfur, or other substances at a safe distance.

These borosilicate glass burettes have a reinforced opening and are permanently graduated with subdivisions.

This set is made from high-quality borosilicate glass and all joints are ground 19/22.

This burner stand has an adjustable platform to hold a burner anywhere from as little as 1" to nearly 6" from the top of the stand.