Certified standard for specular reflectance measurement at 7 degree angle of incidence, NIST-traceable certificate. Certified standard for specular reflectance measurement at 7 degree angle of incidence. Features Al coating on 40 mm diameter Pyrex substrate. Covers range 250–2500 nm with >80% reflectance >250 nm and >85% reflectance >800 nm. Includes NIST traceable certification at 10 nm intervals (250–1100 nm) and 25 nm intervals (1100–2500 nm).
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