Berkas:Oxygen discharge tube.jpgDescriptionOxygen discharge tube.jpg English: Spectrum = gas discharge tube filled with oxygen O2. Used with 1,8kV, 18mA, 35kHz. ≈8" length. Deutsch:
Berkas:Hydrogen discharge tube.jpgDescriptionHydrogen discharge tube.jpg English: Spectrum = gas discharge tube filled with hydrogen H2. Used with 1,8kV, 18mA, 35kHz. ≈8" length. Deutsch:
Berkas:Food (IA b28113810).pdfb, hydrogen passes over, and may
The
be collected in the tube c, inverted over water.
oxygen,
becomes
the
and
iron at a red heat takes
oxide of iron
hydrogen
Berkas:Nitrogen discharge tube.jpgDescriptionNitrogen discharge tube.jpg English: Spectrum = gas discharge tube filled with nitrogen N2. Used with 1,8kV, 18mA, 35kHz. ≈8" length. Deutsch: