24022
SP®-2340 Kapillar-GC-Säule
L × I.D. 30 m × 0.25 mm, df 0.20 μm
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About This Item
UNSPSC-Code:
41115710
eCl@ss:
32119290
Empfohlene Produkte
Materialien
fused silica
Qualitätsniveau
Agentur
meets requirements for USP G5
Parameter
≤25-250 °C temperature (isothermal or programmed)
Beta-Wert
313
df
0.20 μm
Methode(n)
gas chromatography (GC): suitable
L × ID
30 m × 0.25 mm
Aktive Matrixgruppe
Non-bonded; poly(biscyanopropyl siloxane) phase
Säulenart
capillary highly polar
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Allgemeine Beschreibung
Capillary GC column is also known as open tubular column. The carrier gas flows through the central aperture and is unrestricted throughout the length of the column. SP®-2340 is a cyanopropylsiloxane stationary phase, and has high polarity and temperature resistance.
Temp.-Grenzen:
McReynolds-Zahlen.: x′ y′ z′ u′ s′ = 419 654 541 758 637
- unter Raumtemperatur bis 250 °C
McReynolds-Zahlen.: x′ y′ z′ u′ s′ = 419 654 541 758 637
Anwendung
Capillary column coated with SP®-2340 stationary phase may be used in gas chromatographic analysis and separation of cis/trans isomeric fatty acids.
Sonstige Hinweise
We offer a variety of chromatography accessories including analytical syringes
Rechtliche Hinweise
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)
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
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
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
Waruna Kiridena et al.
Journal of separation science, 30(5), 740-745 (2007-04-28)
The solvation parameter model is used to characterize the separation properties of the polar stationary phases EC-Wax and PAG with a poly(ethylene oxide) backbone (substituted with propylene oxide in the case of PAG) and the cyanopropyl-substituted polysilphenylene-siloxane stationary phase BPX90
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