United Scientific SPTNE01 Glass Spectrum Tube, Neon workwarehouse Quick and Easy Disc Changes

Quick and Easy Disc Changes with Micro Hook and Loop Attachment System

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United Scientific SPTNE01 Glass Spectrum Tube, Neon workwarehouse Quick and Easy Disc ChangesUnited Scientific SPTNE01 Glass Spectrum Tube, Neon 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 loop