Description
PSL Spheres are provided with a Certificate of Calibration and Traceability to NIST, a description of the calibration method, peak size uncertainty, and a table of chemical properties. An MSDS is available with handling and disposal instructions. Polystyrene latex particles are numbered with a lot number for reference.
![PSL Spheres, 220 nm, 15ml bottle volume, Polystyrene Latex Beads, NIST Traceable, Size Calibration Certificate included](http://appliedphysicsusa.com/cdn/shop/files/AP-PSLSpheres-20nm-900nm.png_2_e67e9448-e6c5-40c2-a985-1ead030d5ae9.webp?v=1717517071&width=1445)