EP 3127140 A1 20170208 - PROCESS AND APPARATUS FOR MEASURING AN ORGANIC SOLID SAMPLE BY GLOW DISCHARGE SPECTROMETY
Title (en)
PROCESS AND APPARATUS FOR MEASURING AN ORGANIC SOLID SAMPLE BY GLOW DISCHARGE SPECTROMETY
Title (de)
VERFAHREN UND VORRICHTUNG ZUR MESSUNG EINER ORGANISCHEN FESTSTOFFPROBE MITTELS GLIMMENTLADUNGSSPEKTROMETRIE
Title (fr)
PROCÉDÉ ET APPAREIL DE MESURE D'UN ECHANTILLON SOLIDE ORGANIQUE PAR SPECTROMETRIE DE DÉCHARGE LUMINESCENTE
Publication
Application
Priority
- FR 1452826 A 20140331
- FR 2015050809 W 20150327
Abstract (en)
[origin: WO2015150677A1] The present invention relates to a system and a process for measuring, by glow discharge spectrometry, the elemental and/or molecular chemical composition of an organic solid sample (10). According to the invention: the sample (10) is positioned so as to seal a glow discharge plasma reactor (2), a gaseous mixture comprising at least one inert gas and gaseous oxygen in injected into the reactor (2), the concentration of gaseous oxygen being between 0.1% and 15% by weight of the gaseous mixture, an electric discharge of radiofrequency type is applied to the electrodes of the plasma reactor (2) in order to generate a glow discharge plasma, and the solid sample (10) is exposed to said plasma so as to etch an erosion crater in the solid sample (10); at least one signal representative of an ionized species of negative charge is selected and measured using a mass spectrometer (4).
IPC 8 full level
H01J 49/10 (2006.01)
CPC (source: EP US)
H01J 49/0031 (2013.01 - US); H01J 49/105 (2013.01 - EP US); H01J 49/24 (2013.01 - US); H01J 49/40 (2013.01 - US)
Citation (search report)
See references of WO 2015150677A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
FR 3019298 A1 20151002; FR 3019298 B1 20160415; EP 3127140 A1 20170208; JP 2017517719 A 20170629; US 10361075 B2 20190723; US 2017018417 A1 20170119; WO 2015150677 A1 20151008
DOCDB simple family (application)
FR 1452826 A 20140331; EP 15718972 A 20150327; FR 2015050809 W 20150327; JP 2016559822 A 20150327; US 201515301218 A 20150327