22633
Boucle d′injection pour échantillonnage de l′air
loop volume 0.5 mL, 1/8 in. fitting, number of ports, 6
Synonyme(s) :
BOUCLE D’ÉCHANTILLONNAGE 0.5 CC 6 VOIES POUR VANNE 1/8
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About This Item
Code UNSPSC :
41115700
eCl@ss :
32060101
Produits recommandés
Caractéristiques
number of ports 6
Fabricant/nom de marque
SL500P
VICI Valco®
Volume de la boucle
0.5 mL
Raccords
1/8 in. fitting
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Description générale
In loop systems, sample vials are pressurized after equilibrium by carrier gas. Nevertheless, the vial opens temporarily towards the sample loop of a gas sampling valve and not to the column. The pressurized headspace gas from vial fills up the sample loop from which it is injected to the GC.
Application
Sample loops may be used in GC system consisting headspace samplers for the gas analysis to determine the impact of biochar on CO2 and N2O production. It may also be used to analyse hydrocarbons in expired air using GC equipped with FID.
Informations légales
Valco is a registered trademark of Valco Instruments Co. Inc.
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S Mendis et al.
Clinical chemistry, 40(8), 1485-1488 (1994-08-01)
Both pentane and isoprene are excreted in human breath. Although pentane is considered an index of lipid peroxidation, the significance of isoprene is unknown. Having a similar boiling point, these two hydrocarbons are difficult to separate by gas chromatography. We
Bruno Kolb, Leslie S. Ettre.
Static Headspace-Gas Chromatography: Theory and Practice, 83-83 (2006)
K A Spokas et al.
Chemosphere, 77(4), 574-581 (2009-08-04)
A potential abatement to increasing levels of carbon dioxide (CO(2)) in the atmosphere is the use of pyrolysis to convert vegetative biomass into a more stable form of carbon (biochar) that could then be applied to the soil. However, the
Notre équipe de scientifiques dispose d'une expérience dans tous les secteurs de la recherche, notamment en sciences de la vie, science des matériaux, synthèse chimique, chromatographie, analyse et dans de nombreux autres domaines..
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