17.2 MB (711.3 KB compressed)
6000 x 1000 pixels
50.8 x 8.4 cm ⏐ 20.0 x 3.3 in (300dpi)
PHIL DEGGINGER / SCIENCE PHOTO LIBRARY PHIL DEGGINGER / SCIENCE PHOTO LIBRARY
Absorption Spectra for Sodium. Absorption spectroscopy is a measurement of the absorption of radiation, as a function of frequency or wavelength, due to its interaction with a sample. Absorption spectroscopy is used as an analytical chemistry tool to determine the presence of a particular substance in a sample and to quantify the amount of the substance present. It is also employed in studies of molecular and atomic physics, astronomical spectroscopy and remote sensing.
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