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1*USB charging cable(Micro USB Cable)
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United Scientific SPTHY01 Glass Spectrum Tube, Hydrogen sold2024 1*USB charging cable(Micro USB Cable)United Scientific SPTHY01 Glass Spectrum Tube, Hydrogen The classic demonstration of spectral lines. Each tube has its characteristic spectrum when energized before a spectroscope. These tubes acquaint students with the spectra of common gasses in their pure form, as well as for demonstrating wavelength. The glass tubes are 25cm long with the capillary portion about 10cm long. An electrode is sealed in each end and attached to a metal end cap with a
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