Spectra+ Norris Spectra The next spectra are a part of the historical data kindly provided by Karl Norris and collected on his spectrometer Cary 14. The webpages contains 400 spectra of amino acids, chemicals, agricultural samples, etc… Amino acidsVarious chemicalsAgricultural samplesBreakfast cerealsMiscellaneousRare earth oxidesReflectance reference standard Download datasets