Specular Reflectance Home / Products / Molecular Spectroscopy / FTIR Spectrometers / FTIR Accessories / Specular Reflectance Overview Models Accessories Software Specifications Theory Applications Knowledgebase Catalog Request a Quote RF-81S Specular Reflectance Angle of Incidence10° No. of Reflections1 Sample Mask1, 3 and 5 mm in diameter