20cm PTFE-Coated Arrow Head Spatula Glassware Parts & Accessories_Glass Heads providing a fixed sighting reference

providing a fixed sighting reference for telescope and spectrometer alignment on the optical bench

this demonstration electroscope detects and visually quantifies the magnitude of static charges

Mechanical triple-beam balance measures mass up to 2000g for introductory chemistry

Master 230-piece molecular model set covering both inorganic and organic chemistry

Simulated immunoassay drug testing kit teaches forensic toxicology through antibody reactions

20cm PTFE-Coated Arrow Head Spatula Glassware Parts & Accessories_Glass Heads providing a fixed sighting referenceChemical resistant PTFE coating on this 20cm arrow head spatula releases reactive powders, crystals, and pastes without sticking or contaminating samples.