About: Characterization of Plasmachemical Treatment of Archaeological Artifacts

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Plasmachemical treatment of archaeological artifacts is a relatively new technique. Up to now, it has been used more or less intuitively in practice, but for a widespread application an exact characterization of the process is necessary. The process is based on using low-pressure hydrogen plasma in which the artifacts (in this case silver coins and some pieces of iron) are treated for several hours, usually in more steps. The problem is how long period of the plasmatic treatment is optimal and hoow to characterize its efficiency. From the kinetic point of view, the oxide and chloride molecules reduction is the main process. Significant, but not very intense radiation of the $\cdot $OH radical was observed in the optical emission spectra. Due to the fact that in pure hydrogen plasma the $\cdot $OH emission spectra is not overlapped by any radiation, we use its integral intensity in the range of 300 - 330 nm as an indicator of the oxides reduction effectiveness. The OH radiation shows spec Plasmachemical treatment of archaeological artifacts is a relatively new technique. Up to now, it has been used more or less intuitively in practice, but for a widespread application an exact characterization of the process is necessary. The process is based on using low-pressure hydrogen plasma in which the artifacts (in this case silver coins and some pieces of iron) are treated for several hours, usually in more steps. The problem is how long period of the plasmatic treatment is optimal and hoow to characterize its efficiency. From the kinetic point of view, the oxide and chloride molecules reduction is the main process. Significant, but not very intense radiation of the $\cdot $OH radical was observed in the optical emission spectra. Due to the fact that in pure hydrogen plasma the $\cdot $OH emission spectra is not overlapped by any radiation, we use its integral intensity in the range of 300 - 330 nm as an indicator of the oxides reduction effectiveness. The OH radiation shows spec (en)
Title	Characterization of Plasmachemical Treatment of Archaeological Artifacts Characterization of Plasmachemical Treatment of Archaeological Artifacts (en)
skos:prefLabel	Characterization of Plasmachemical Treatment of Archaeological Artifacts Characterization of Plasmachemical Treatment of Archaeological Artifacts (en)
skos:notation	RIV/00216305:26310/02:PU31781!RIV/2003/MSM/263103/N
http://linked.open.../vavai/riv/strany	D927
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 263100019)
http://linked.open...iv/cisloPeriodika	D
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Kolářová Rašková, Zuzana Krčma, František
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta chemická
http://linked.open...dnocenehoVysledku	640643
http://linked.open...ai/riv/idVysledku	RIV/00216305:26310/02:PU31781
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	optical spectroscopy, archaelogy, plasmachemical reduction, ancient metal conservation (en)
http://linked.open.../riv/klicoveSlovo	optical spectroscopy archaelogy plasmachemical reduction ancient metal conservation
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[642DF9902124]
http://linked.open...i/riv/nazevZdroje	Czechoslovak Journal of Physics
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	52
http://linked.open...iv/tvurceVysledku	Klíma, Miloš Krčma, František Kousal, Jaroslav Rašková, Zuzana
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20263100019
issn	0011-4626
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	26310

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