Calibrated Reflectance Standards - 100 mm, Qty. 4

This calibrated, reflective, sintered PTFE polymer disc is 8 mm thick with a 98 mm diameter within a sealable container. This set contains four discs, nominally 25%, 50%, 60%, and 80% reflective. These standards are suitable for NIR pharmacopeia systems verification. These standards are compatible with the 100 mm NIRA II spinner (L1280417).