<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">glow discharge optical emission spectrometry</topic></authority><related type="other"><topic>spectrophotometers</topic></related><related type="broader"><topic>optical emission spectroscopy</topic></related><variant type="other"><topic>GD-OES</topic></variant><variant type="other"><topic>GDOES</topic></variant><variant type="other"><topic>glow discharge optical emission spectroscopy</topic></variant><variant type="other"><topic>spectrometry, glow discharge optical emission</topic></variant> <note xml:lang="en"><![CDATA[ Optical emission spectral analysis technique in which excitation employs glow discharge, a plasma created by passing an electric current between metal electrodes in a tube containing a gas. In GD-OES a sample located in the cathode is bombarded by a glow discharge lamp. Sputtered neutral atoms excited in the plasma give off characteristic light in deexcitation which is collected by a spectrophotometer. ]]></note></mads>