Gaois

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10 results

  1. SCIENCE|natural and applied sciences|physical sciences|chemistry
    crómatagrafaíocht gháis Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    CG Reference Téarmeolaithe COM-GA
    ga
    Language usage Cinneadh gur chuí an giorrúchán a bhunú ar an téarma Gaeilge, arae níor léir aon chúis sháraitheach le gan sin a dhéanamh
    Gaschromatographie | Gaschromatografie | GC
    de
    Definition chromatografisches Verfahren, bei dem die mobile Phase gasförmig ist Reference E DIN 51405:2000: Prüfung von Mineral-Kohlenwasserstoffen, verwandten Flüssigkeiten und Lösemitteln für Lacke und Anstrichstoffe – Gaschromatographische Analyse – Allgemeine Arbeitsgrundlagen, S. 2
    gas chromatography | GC
    en
    Definition separation technique in which the mobile phase is a gas Reference "IUPAC. Compendium of Chemical Terminology, 2nd ed. (the ""Gold Book""). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8 http://goldbook.iupac.org/G02578.html Last update: 2009-09-07; version: 2.1.5 [17.11.2009]"
    Comment "Gas chromatography is always carried out in a column. It is a common type of chromatography used in organic chemistry for separating and analysing compounds that can be vaporised without decompositionIn gas chromatography the distinction between gas-liquid and gas-solid may be obscure because liquids are used to modify solid stationary phases, and because the solid supports for liquid stationary phases affect the chromatographic process. For classification by the phases used, the term relating to the predominant effect should be chosen.See also:- gas chromatography/mass spectroscopy (related) [ IATE:1295813 ]- gas chromatographic separation (related) [ IATE:1094399 ]- gas-liquid chromatography (narrower) [ IATE:1479581 ]- gas-solid chromatography (narrower) [ IATE:1717974 ]"
    chromatographie en phase gazeuse | CPG | chromatographie gazeuse | CG
    fr
  2. INDUSTRY|chemistry
    crómatagrafaíocht gháis le colún ribeach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Kapillargaschromatographie | Kapillargaschromatografie | Kapillar-Gaschromatographie | KGC
    de
    capillary column gas chromatography | CC/GC | capillary gas chromatography | CGC | capillary-column gas chromatography
    en
    Definition gas chromatography using a capillary column instead of a packed column Reference "Based on: The Chemistry Hypermedia Project. Gas Chromatography Columns, http://www.files.chem.vt.edu/chem-ed/sep/gc/gc-col.html [31.8.2009]"
    chromatographie en phase gazeuse avec colonne capillaire
    fr
  3. INDUSTRY|chemistry · SCIENCE|natural and applied sciences|physical sciences|chemistry|analytical chemistry
    crómatagrafaíocht gháis le brathadóir leictreonghabhála Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Gaschromatografie mit Elektroneneinfangdetektor | Gaschromatographie mit Elektroneneinfangdetektor
    de
    gas chromatography with an electron capture detector | Gas Chromatography / Electron Capture Detection
    en
    Definition gas chromatography method associated with a detector which uses a radioactive beta emitter (electrons) to ionise some of the carrier gas and produce a current between a biased pair of electrodes, so that when organic molecules that contain electronegative functional groups, such as halogens, phosphorous, and nitro groups pass by the detector, they capture some of the electrons and reduce the current measured between the electrodes Reference "COM-Terminology Coordination, based on:Shimadzu GC-8A with ECD Detector: Gas Chromatography. University of Nebraska-Lincoln. Department of Chemistry, http://www.chem.unl.edu/uic/gc-ecd.shtml [17.3.2014] & Brian M. Tissue. Electron Capture Detectors(ECD). ON-LINE EDUCATIONAL HYPERMEDIA, http://elchem.kaist.ac.kr/vt/chem-ed/sep/gc/detector/ecd.htm [17.3.2014]"
    chromatographie en phase gazeuse avec détection à capture d'électrons | chromatographie en phase gazeuse avec détecteur à capture d'électrons
    fr
    Definition technique utilisée pour détecter des traces de composés chimiques dans un échantillon (et notamment pour analyser des composés halogénés) et qui associe la chromatographie en phase gazeuse avec un dispositif qui permet de détecter les atomes et les molécules d'un gaz à travers l'attachement des électrons par ionisation Reference COM-FR, d'après diverses sources.
    GC-ECD | GC/ECD
    mul
  4. INDUSTRY|chemistry · SCIENCE|natural and applied sciences|physical sciences|spectrometry · SCIENCE|natural and applied sciences|physical sciences|chemistry|analytical chemistry
    crómatagrafaiocht gháis in éineacht le mais-speictriméadracht ardtaifeach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Gaschromatografie/hochauflösende Massenspektrometrie | GC-HRMS
    de
    gas chromatography/high resolution mass spectrometry | GC-HRMS | GC/HRMS | gas chromatography high resolution mass spectrometry
    en
    Definition "analytical technique coupling gas chromatography1 to high-resolution mass spectrometry21 gas chromatography [ IATE:1350135 ]2 high-resolution mass spectrometry [ IATE:3509898 ]" Reference "COM-Terminology Coordination, based on:Ferrer & Thurman (Editors). Advanced Techniques in Gas Chromatography-Mass Spectrometry (GC-MS-MS and GC-TOF-MS) for Environmental Chemistry, 1st Edition, ISBN: 9780444626233 http://store.elsevier.com/product.jsp?lid=0&iid=73&sid=0&isbn=9780444626240 & http://books.google.fr/books?id=4QZKxfvxg0cC&pg=PA185&lpg=PA185&dq=gc-hrms&source=bl&ots=FfzivaYhkV&sig=9JsR0HM74LNuZQLJKb-EY3Y5Gzs&hl=en&sa=X&ei=0tgWU66oC6SEyAOckoGgDA&ved=0CDwQ6AEwAzgU#v=onepage&q=gc-hrms&f=false [5.3.2014]"
    chromatographie gazeuse couplée à la spectrométrie de masse à haute résolution
    fr
    Definition "technique d'analyse associant la chromatographie gazeuse [IATE:1350135] à la spectrométrie de masse à haute résolution" Reference COM-FR, d'après diverses sources.
    GC-HRMS
    mul
  5. SCIENCE|natural and applied sciences|physical sciences|chemistry
    crómatagrafaíocht gháis/mais-speictriméadracht Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Gaschromatographie in Verbindung mit der Massenspektrometrie | Gaschromatographie/Massenspektrometrie | Gaschromatographie-Massenspektrometrie | GC/MS | GC-MS
    de
    Definition Die Gaschromatographie eignet sich zur Bestimmung aller gasförmigen o. unzersetzt verdampfbaren Stoffe, also im wesentlichen von organischen Verbindungen. Eine Probe des zu untersuchenden Stoffgemisches wird in einen Trägergasstrom gebracht und durchströmt eine Trennsäule oder -kapillare mit einer speziellen Füllung bzw. Beschichtung. Stoffabhängige Wechselwirkungen in der Säule bewirken, daß die einzelnen Verbindungen unterschiedlich lange zurückgehalten werden und am Ende der Säule zeitlich getrennt austreten. Zur Detektion der austretenden Komponenten stehen verschiedene Techniken zur Verfügung. Mit einem nachgeschalteten Massenspektrometer lassen sich gleichzeitig Aussagen über Art und Menge der jeweiligen Substanz machen (Identifizierung und Quantifizierung). Dazu werden die austretenden Teilchen ionisiert und die gebildeten Molekülionen, die zum Teil zerfallen, entsprechend ihrem Verhältnis Masse/Ladung in einem Magnetfeld aufgetrennt. Das Muster der auftretenden Fragmente kann einem bestimmten Stoff zugeordnet werden. (Quelle s.o.) Reference ---
    Comment DIV: hym 13/11/2002
    gas chromatography/mass spectroscopy | gas chromatography/mass spectrometry | GC/MS | gas chromatography-mass spectrometry | GC-MS
    en
    Definition two techniques that are combined to form a single method of analyzing mixtures of chemicals Reference "George Mason University. Gas Chromatography-Mass Spectroscopy. Background http://www.gmu.edu/departments/SRIF/tutorial/gcd/gc-ms2.htm [17.11.2009]"
    Comment "Gas chromatography ( IATE:1350135 ) separates the components of a mixture and mass spectroscopy ( IATE:1364881 ) characterizes each of the components individually. By combining the two techniques, an analytical chemist can both qualitatively and quantitatively evaluate a solution containing a number of chemicals."
    chromatographie en phase gazeuse couplée à la spectrométrie de masse | chromatographie gazeuse-spectrométrie de masse | GC/MS
    fr
  6. SCIENCE|natural and applied sciences|physical sciences|chemistry|analytical chemistry
    crómatagrafaíocht gháis in éineacht le mais-speictriméadracht agus a dtréimhse choinneála glasáilte Reference "Faofa ag an gCoiste Téarmaíochta, www.tearma.ie ;Faomhadh an téarma seo mar chuid de Thionscadal Lex"
    ga
    gas chromatography–mass spectrometry with retention time locking | retention time locked gas chromatography–mass spectrometry | GC-MS-RTL
    en
    Comment "'Retention time' is one of the most important chromatographic features for analytical chemists since it is the key parameter to separate, identify and quantify compounds of interest from complex mixtures. Although detectors with higher-dimensional signals ease the identification of many components, there are demanding requirements on the retention time, particularly when high-throughput methods are considered. In addition to this, gas chromatographic elution shows significant run-to-run variations due to fluctuations in temperature and pressure, column degradation or matrix effects. In this sense, different approaches have been developed to minimise those variations: the introduction of electronic pneumatic control (EPC) systems, which allow a very efficient control of the flow of the carrier gas, the use of peak alignment algorithms to treat the chromatograms, or the use of retention-time locking (RTL)."
    chromatographie en phase gazeuse avec verrouillage des temps de rétention couplée à une spectrométrie de masse
    fr
  7. INDUSTRY|chemistry
    crómatagrafaiocht gháis in éineacht le mais-speictriméadracht sraithe Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    CGMSS Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Gaschromatografie/Tandem-Massenspektrometrie | GC-MS/MS
    de
    gas chromatography-tandem mass spectrometry | gas chromatograph-tandem mass spectrometer | gas chromatograph-tandem mass spectrometry
    en
    Definition "analytical technique coupling gas chromatography1 to tandem mass spectrometry21 gas chromatography [ IATE:1350135 ]2 tandem mass spectrometry [ IATE:157399 ]" Reference "COM-Terminology Coordination, based on:Renata Raina and Patricia Hall. Comparison of Gas Chromatography-Mass Spectrometry and Gas Chromatography-Tandem Mass Spectrometry with Electron Ionization and Negative-Ion Chemical Ionization for Analyses of Pesticides at Trace Levels in Atmospheric Samplesy. Anal Chem Insights 2008; 3: 111-125, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701172/ [5.3.2014]"
    chromatographie en phase gazeuse couplée à la spectrométrie de masse en tandem
    fr
    GC-MS/MS | GC-MS-MS | GC/MS/MS
    mul
  8. SCIENCE|natural and applied sciences|physical sciences|chemistry
    crómatagrafaíocht gháis ardtaifigh Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    hochauflösende Gaschromatographie | Hochauflösungs-Gaschromatographie | HRGC
    de
    high resolution gas chromatography | HRGC
    en
    Definition "a gas chromatography ( IATE:1350135 ) technique which uses with higher thermal stability, and which is thus more efficient, since it allows the analysis of semivolatile and medium molecular mass compounds" Reference "Based on: Jack Cazes. Encyclopedia of chromatography http://books.google.com/books?id=3Jeu8rMnbyEC&pg=PA405&lpg=PA405&dq=%22high+resolution+gas+chromatography%22&source=bl&ots=DEX0rcw193&sig=S3FkITZL3rSyt3QRTRPVy7Y9AA8&hl=en&ei=RGbxSrDLE4Pt-AaQlN3kAg&sa=X&oi=book_result&ct=result&resnum=4&ved=0CBwQ6AEwAzgK#v=onepage&q=%22high%20resolution%20gas%20chromatography%22&f=false [4.11.2009]"
    chromatographie en phase gazeuse à haute résolution | CGHR
    fr
  9. SCIENCE|natural and applied sciences|physical sciences|chemistry|analytical chemistry · INDUSTRY|chemistry · SCIENCE|natural and applied sciences|physical sciences|spectrometry
    crómatagrafaíocht gháis ardtaifigh/mais-speictriméadracht ardtaifigh Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    hochauflösende Gaschromatographie/hochauflösende Massenspektrometrie | hochauflösende Gaschromatographie in Kombination mit hochauflösender Massenspektrometrie | HRGC/HRMS
    de
    high-resolution gas chromatography/high-resolution mass spectrometry | HRGC/HRMS
    en
  10. SCIENCE|natural and applied sciences|physical sciences|chemistry
    caolú iseatópach HRGC/HRMS Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    crómatagrafaíocht gháis ardtaifigh/mais-speictriméadracht ardtaifigh chaolaithe iseatópaigh Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    HRGC/HRMS unter Verwendung der Isotopenverdünnungstechnik
    de
    isotope dilution high-resolution gas chromatography/high-resolution mass spectrometry | isotope dilution HRGC/HRMS
    en