About: Laser ablation for direct analysis of tungsten carbides

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The possibility of direct determination of Co, Nb, Ta and Ti in WC/Co cemented materials by different methods of laser ablation (LA-ICP-OES/MS, LIBS) has been studied. Using systems with higher laser wavelengths, fractionation occurred. The problem of fractionation arose especially in case of cobalt as an element with low melting and boiling temperature (1495stC and 2927stC) and different linkage in hard-metal samples comparing with other elements of interest. Signal vs. content dependences constructed for each element and each method show best correlation coefficients for LA-ICP-MS method using Nd:YAG @213 nm laser. Described LA-ICP-MS method is suitable for determination of mentioned analytes with repeatability up to 8% RSD. LIBS method using excimer laser is suitable for determination of Nb, Ta and Ti with repeatability up to 10% RSD. For Co determination using LIBS, only semiquntitative estimation is possible. The possibility of direct determination of Co, Nb, Ta and Ti in WC/Co cemented materials by different methods of laser ablation (LA-ICP-OES/MS, LIBS) has been studied. Using systems with higher laser wavelengths, fractionation occurred. The problem of fractionation arose especially in case of cobalt as an element with low melting and boiling temperature (1495stC and 2927stC) and different linkage in hard-metal samples comparing with other elements of interest. Signal vs. content dependences constructed for each element and each method show best correlation coefficients for LA-ICP-MS method using Nd:YAG @213 nm laser. Described LA-ICP-MS method is suitable for determination of mentioned analytes with repeatability up to 8% RSD. LIBS method using excimer laser is suitable for determination of Nb, Ta and Ti with repeatability up to 10% RSD. For Co determination using LIBS, only semiquntitative estimation is possible. (en)
Title	Laser ablation for direct analysis of tungsten carbides Laser ablation for direct analysis of tungsten carbides (en)
skos:prefLabel	Laser ablation for direct analysis of tungsten carbides Laser ablation for direct analysis of tungsten carbides (en)
skos:notation	RIV/00216224:14310/07:00023746!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021622411), Z(MSM0021622412)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Novotný, Karel Kanický, Viktor Staňková, Alice Holá, Markéta
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	430573
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/07:00023746
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Tungsten carbide; laser ablation; inductively coupled plasma (en)
http://linked.open.../riv/klicoveSlovo	Tungsten carbide inductively coupled plasma laser ablation
http://linked.open...ontrolniKodProRIV	[1060E629FDDF]
http://linked.open...v/mistoKonaniAkce	Ledeč nad Sázavou
http://linked.open...i/riv/mistoVydani	Česká Těšín
http://linked.open...i/riv/nazevZdroje	Hutní a průmyslová analytika 2007
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Kanický, Viktor Novotný, Karel Staňková, Alice Holá, Markéta
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2007-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Study and application of plasma chemical reactions in non-isothermic low temperature plasma and its interaction with solid surface Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Václav Helán
https://schema.org/isbn	978-80-86380-38-4
http://localhost/t...ganizacniJednotka	14310
is http://linked.open...avai/riv/vysledek of	Laser ablation for direct analysis of tungsten carbides Laser ablation for direct analysis of tungsten carbides Laser ablation for direct analysis of tungsten carbides

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