Perkin Elmer Aperture Mask - 2 Mm - PE (Additional S&H or Hazmat Fees May Apply)

Perkin Elmer Aperture Mask - 2 Mm The Variable Angle Specular Reflectance Accessory Can Obtain The Spectrum Of Any Flat, Reflecting Surface On A Plate Or Sheet Material. Measurements Of Reflectance Are Useful For Both Quality Control Of Optical Materials And For Obtaining Information About The Crystalline Structure Of A Material. It Measures Reflectance Spectra At Angles Of Incidence Between 15 And 80 Ft-Ir. This Accessory Is Compatible With The Spectrom 3/Frontier Spectrometer. - PE (Additional S&H or Hazmat Fees May Apply)