24022
SP-2340
L × I.D. 30 m × 0.25 mm, df 0.20 μm
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1 EA
699,00 €
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About This Item
Código UNSPSC:
41115710
eCl@ss:
32119290
699,00 €
Póngase en contacto con nuestro Servicio de Atención al Cliente para disponibilidad
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Materiales
fused silica
Agency
meets requirements for USP G5
Parámetros
≤25-250 °C temperature (isothermal or programmed)
Valor Beta
313
df
0.20 μm
técnicas
gas chromatography (GC): suitable
L × D.I.
30 m × 0.25 mm
grupo activo de la matriz
Non-bonded; poly(biscyanopropyl siloxane) phase
tipo de columna
capillary highly polar
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Descripción general
Application: This non-bonded column offers the highest polarity in its class. As with all general purpose biscyanopropyl columns, it is highly effective for both high and low temperature separations of geometric isomers of fatty acid methyl esters (FAMEs), dioxins, carbohydrates, and aromatic compounds.
USP Code: This column meets USP G5 requirements.
Phase:
USP Code: This column meets USP G5 requirements.
Phase:
- Non-bonded
- Poly(biscyanopropyl siloxane)
- Subambient to 250 °C (isothermal or programmed)
Aplicación
Capillary column coated with SP®-2340 stationary phase may be used in gas chromatographic analysis and separation of cis/trans isomeric fatty acids.[2]
Otras notas
We offer a variety of chromatography accessories including analytical syringes
Información legal
SP is a registered trademark of Sigma-Aldrich Co. LLC
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SP 2340 in the glass capillary chromatography of fatty acid methyl esters.
Heckers HF
Journal of Chromatography A, 136 (2), 311-317 (1977)
Mikael Harju et al.
Journal of chromatography. A, 1019(1-2), 111-126 (2003-12-03)
Comprehensive two-dimensional gas chromatography (GC x GC) of the 209 polychlorinated biphenyls (CBs) was carried out using a longitudinally modulated cryogenic system (LMCS) and liquid carbon dioxide as cryogen. The effluent from a non-polar column was modulated and further separated
C F Poole et al.
Journal of chromatography. A, 912(1), 107-117 (2001-04-20)
The solvation parameter model is used to study the influence of temperature and composition on the selectivity of nine poly(siloxane) and two poly(ethylene glycol) stationary phase chemistries for open-tubular column gas chromatography. A database of system constants for the temperature
R H Thompson et al.
Lipids, 16(9), 694-699 (1981-09-01)
Paris of C-24 epimeric sterols have been very difficult to separate by physical emthods. We report here the partial or complete separation of the trimethylsilyl ethers of nine pairs of C-24 epimeric sterols by gas liquid chromatography on a glass
T W Lee
Journal - Association of Official Analytical Chemists, 70(4), 702-705 (1987-07-01)
A method has been developed for the quantitative determination of linoleic acid in infant formulas by gas chromatography (GC). A known amount of triheptadecanoin was spiked into the sample. Total lipid was extracted from the product by an ethyl ether-petroleum
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