2005
DOI: 10.2516/ogst:2005067
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Analyse de métaux traces dans les produits pétroliers, état de l'art

Abstract: Résumé -Après une brève introduction sur la problématique des métaux traces dans l'industrie pétrolière, un retour sur les trois techniques majeures de dosages des métaux traces dans les produits pétroliers est présenté reprenant les travaux effectués dans les dix dernières années. Ainsi les différents types d'introduction, utilisés pour la spectrométrie d'absorption atomique avec four électrothermique (GFAAS), la spectrométrie d'émission atomique par plasma à couplage inductif (ICP-OES) et la spectrométrie de… Show more

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Cited by 18 publications
(13 citation statements)
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References 32 publications
(45 reference statements)
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“…These methods can be applied with a decomposition step before silicon determination in order to use it in aqueous matrices or directly by injection of organic phases without initial sample digestion. This preparation step is mainly used for solid samples [83][84][85][86][87] and to limit carbon introduction in the plasma 69 allowing minimum mass interferences especially with ICP-MS.…”
Section: Atomic Spectroscopic Methodsmentioning
confidence: 99%
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“…These methods can be applied with a decomposition step before silicon determination in order to use it in aqueous matrices or directly by injection of organic phases without initial sample digestion. This preparation step is mainly used for solid samples [83][84][85][86][87] and to limit carbon introduction in the plasma 69 allowing minimum mass interferences especially with ICP-MS.…”
Section: Atomic Spectroscopic Methodsmentioning
confidence: 99%
“…5 presents a petroleum process constituted of feed thermal cracking (Coker and Steam cracker), separation and hydrogenation units. Due to the PDMS degradation, silicon compounds (Table 1) are found at trace levels 69,70 in feeds and occur as poison which induce severe catalytic deactivation by adsorption on the catalyst surface (Fig. 5).…”
Section: Fields Of Interestmentioning
confidence: 99%
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“…However, petroleum products are too viscous to be analyzed directly, so sample preparation methods are needed. The most important methods, discussed in detail in several reviews, 59,60 are listed below.…”
Section: Mass Spectrometrymentioning
confidence: 99%
“…1 Among them are metallic species. [2][3][4] Metal determination in this kind of samples is very important for several reasons: (i) it gives information about the age and the origin of oils; (ii) metals are a source of environmental pollution; (iii) metals can degrade the catalyst efficiency during the rening procedure since they act as poisoning agents; and (iv) some additives have a metallic nature.…”
Section: Introductionmentioning
confidence: 99%