SPECTRUM TUBES: 50mm, 100mm Capillary
These quality ‘Geissler type’ gas discharge spectrum tubes have an electrode at each end with a fine capillary tube in the middle which effectively demonstrates the spectral lines of pure substances with a colour discharge. Note: Items containing Mercury are prohibited in schools so item EO-PH1196B-13 is not suitable for supply to schools.
Use intermittently and do not use as a lamp source.
We offer a power supply specifically for powering these tubes, click POWER SUPPLY & SPECTRUM TUBE.