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DETERMINATION EMPREINTE CHIMIQUE [1 record]
Record 1 - internal organization data 2004-02-16
Record 1, English
Record 1, Subject field(s)
- Analytical Chemistry
- Environmental Studies and Analyses
Record 1, Main entry term, English
- chemical fingerprinting
1, record 1, English, chemical%20fingerprinting
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Mr. Dodge is experienced with an environmental forensics technique called chemical fingerprinting. He has used this technique to identify potentially responsible sources of dioxins at a multi-party Superfund site and the potential sources of dioxins and PCBs impacting a Venice Lagoon in Italy. 2, record 1, English, - chemical%20fingerprinting
Record number: 1, Textual support number: 2 CONT
Can these PCB analyses be used for anything other than just describing the environmental situation in the area where the samples were taken? Is it possible to find out who produced the environmental toxin? Is there a "fingerprint" at the pollution "crime scenes" along the coast? The answer to all these questions was an emphatic yes. The idea behind the so-called "chemical fingerprinting" is simple: PCB is not an individual substance but a collective term for 209 different environmental toxins. PCB manufacturers produced a variety of PCB blends. Konieczny's method is just as simple if we know the composition of the blends, we can also locate them today. 3, record 1, English, - chemical%20fingerprinting
Record number: 1, Textual support number: 3 CONT
Chemical Fingerprinting in the Environment. ... Problem: Determine if the origin of chemicals found at field sites can be traced to specific chemical sources/processes. Project Activity Scope ... Interaction mechanisms through Measurement & Analysis System Applications. PNNL Solution: Evaluated chemicals present at site. Used chemical database to estimate chemical stability & reactions at site. Analyzed co-present chemicals to project back-in-time to identify & estimate source contributions. Successfully performed analysis at several waste sites. 4, record 1, English, - chemical%20fingerprinting
Record 1, Key term(s)
- chemical finger printing
Record 1, French
Record 1, Domaine(s)
- Chimie analytique
- Études et analyses environnementales
Record 1, Main entry term, French
- technique d'empreinte chimique
1, record 1, French, technique%20d%27empreinte%20chimique
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- technique des empreintes chimiques 2, record 1, French, technique%20des%20empreintes%20chimiques
correct, feminine noun
- détermination de l'empreinte chimique 3, record 1, French, d%C3%A9termination%20de%20l%27empreinte%20chimique
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
[...] la maîtrise des dépôts moléculaires vers des zones prédéfinies d'une surface est un enjeu important si l'on envisage de bâtir des dispositifs électroniques. L'équipe «Systèmes Moléculaires Organisés» fait ainsi appel aux ressources conjuguées de la lithographie électronique classique et de la lithographie «douce» (technique d'empreinte chimique) pour forcer l'adsorption sélective de vésicules ou de nanotubes de carbone et contrôler les dépôts moléculaires. 1, record 1, French, - technique%20d%27empreinte%20chimique
Record number: 1, Textual support number: 2 CONT
Les sédiments d'un lac où les saumons étaient abondants contenaient dix fois plus de BPC que les sédiments d'un lac voisin sans saumons. La détermination de l'empreinte chimique du type de BPC identifie clairement les poissons comme la source des BPC contenus dans les sédiments. 3, record 1, French, - technique%20d%27empreinte%20chimique
Record number: 1, Textual support number: 1 OBS
Les différentes techniques scientifiques utilisées dans les laboratoires de sciences légales sont devenues des outils indispensables pour l'établissement de la preuve et de la vérité. L'empreinte chimique est aussi fiable pour l'identification et la confirmation de la présence d'une substance que l'est une empreinte digitale pour l'identification d'un suspect. 4, record 1, French, - technique%20d%27empreinte%20chimique
Record number: 1, Textual support number: 2 OBS
Le spectre du carbone peut [...] servir d'empreinte chimique dans l'analyse microscopique de composés polymères, de grande importance pour l'industrie chimique. 5, record 1, French, - technique%20d%27empreinte%20chimique
Record 1, Spanish
Record 1, Textual support, Spanish
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