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22633

Sample Loop for Gas Sampling

loop volume 0.5 mL, 1/8 in. fitting, number of ports, 6

Sinónimos:

SAMPLE LOOP 0.5CC 6 PORTFOR 1/8 VALVE

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About This Item

Código UNSPSC:
41115700
eCl@ss:
32060101

Características

number of ports 6

fabricante / nombre comercial

SL500P
VICI Valco®

lazo volumen

0.5 mL

Adaptador

1/8 in. fitting

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Descripción general

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.

Aplicación

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.

Información legal

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
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
Bruno Kolb, Leslie S. Ettre.
Static Headspace-Gas Chromatography: Theory and Practice, 83-83 (2006)

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