Victor R. Weidner, Jack J. Hsia, and Kenneth L. Eckerle
Researchers in the Center for Radiation Research and the Center for Analytical Chemistry at the National Bureau of Standards (NBS) are responsible for the development and calibration of a number of standards for checking the performance of spectrophotometers, spectrofluorimeters, and related analytical instrumentation. Many of these standards are available as Standard Reference Materials
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