Glow discharge source with a graphite cathode, into which the sample is inserted in the form of drillings, a pressed pellet or a dry solution residue.
Note:
For this source, sample volatilization takes place mainly by thermal effects.
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 721 (https://doi.org/10.1515/pac-2019-0203)