1. Reference spectra and data provided with permission by Starna Ltd., Hainault, IG6 3UT, UK, www.starna.com.
2. The Concise Handbook of Analytical Spectroscopy: Physical Foundations, Techniques, Instrumentation and Data Analysis. In 5 Volumes, UV, Vis, NIR, IR, and Raman;Workman,2016
3. Each table refers to specific NIST SRM datasheets and published references and as referred to in Ref. [2].
4. Standard Reference Material (SRM)® 2034 Certificate, Holmium Oxide Solution Wavelength Standard (240nm to 650nm), National Institute of Standards and Technology, Gaithersburg, MD, Certificate Issue Date: 29 August 2016, 7 p.
5. Ultraviolet Wavelength Standard for spectrophotometry;Keegan;J. Opt. Soc. Am.,1961