Hydrogen emission tube

Hydrogen emission tube

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Credit: SCIENCE PHOTO LIBRARY

Caption: Hydrogen emission. View of a discharge tube filled with gaseous hydrogen and excited by an electrical discharge. The tube glows with a characteristic purple-reddish colour due to the emission spectrum of hydrogen atoms.

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Keywords: analysis, analytical, apparatus, atomic, characteristic, chemistry, discharge, education, electrical, emission, excitation, excited, experiment, gas, gaseous, glow, glowing, hydrogen, molecular, optics, physical, physics, plasma, school, school science, science education, tube

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