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glow discharge

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glow discharge [¦glō ¦dis‚chärj]
(electronics)
A discharge of electricity through gas at relatively low pressure in an electron tube, characterized by several regions of diffuse, luminous glow and a voltage drop in the vicinity of the cathode that is much higher than the ionization voltage of the gas. Also known as cold-cathode discharge.


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The quartz filter, precleaned in a muffle furnace, was added to the system to prevent the influx of cigarette smoke particles, which would otherwise block the inlet orifice of the glow discharge source.
The acquisition of Shiva Technologies brings to EAG a formidable leadership position in Glow Discharge Mass Spectrometry (GDMS) analytical services.
LECO will be exhibiting our new GDS500A Glow Discharge Optical Emission Spectrometer among various analytical instruments and metallagraphic products.
 
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