23154
Setti Thermogreen® LB-2, dischi solidi
diam. 11.5 mm ( 11/24 in.), pkg of 50 ea
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50 EA
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About This Item
Codice UNSPSC:
41115718
Prodotti consigliati
Confezionamento
pkg of 50 ea
Diametro
11.5 mm ( 11/24 in.)
Compatibilità
configured for Varian Capillary injector
configured for Varian Saturn GC-MS
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Descrizione generale
Una versione migliorata dei setti Thermogreen LB-1 originali.
- Perdita estremamente bassa in presenza di un ampio range di temperature di ingresso (da 100 a 350 °C)
- Prodotto già condizionato, pronto all′uso
- Penetrazione dell′ago più facile ed elevata tolleranza alla puntura (ideale per gli autocampionatori)
- Formulazione della gomma esclusiva di Supelco
Septum is a very important component of syringe injection system. They are usually fabricated from elastomeric, self-sealing materials such as silicone rubber, neoprene or fluoroelastomers.[1] It is suitable to conveniently introducing the sample without causing the system to leak. Improper septa decomposes under the high-temperature conditions of capillary inlets causing baseline disruption and ghost peaks in a chromatogram.[2]
Applicazioni
Thermogreen® LB-2 Septa is suitable for the following applications:
- To minimize extraction onto or loss of analytes off the solid phase microextraction (SPME) fiber from the vial during analysis by GC-MS.[3]
- Thermo-resistant septa is used in GC instrument to avoid carrier gas leaks, extraneous peaks and phthalate contamination.[4]
- Thermo-resistant septa along with thick needle protector is used in GC instruments to avoid damage irreversibly caused by microsyringe.[5]
- It is also used in the influent sampling ports in gas chromatographs.[6]
Note legali
Thermogreen is a registered trademark of Merck KGaA, Darmstadt, Germany
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I documenti relativi ai prodotti acquistati recentemente sono disponibili nell’Archivio dei documenti.
Solid-phase microextraction (SPME) for rapid field sampling and analysis by gas chromatography-mass spectrometry (GC-MS).
Hook, Gary L., et al.
TrAC, Trends in Analytical Chemistry, 21, 534-543 (2002)
Robert L. Grob, PhD, Eugene F. Barry, PhD
Modern Practice of Gas Chromatography, 471-472 (2004)
Effect of periods of non-use on biofilter performance.
Martin, F. Jason, and Raymond C. Loehr.
Journal of the Air & Waste Management Association (1995), 46, 539-546 (1996)
Elefteria Psillakis et al.
Chemosphere, 54(7), 849-857 (2003-11-26)
The sonochemical degradation of aqueous solutions containing low concentrations of six phthalate esters at an ultrasonic frequency of 80 kHz has been investigated. Ultrasonic treatment was found capable of removing the four higher molecular mass phthalates (di-n-butyl phthalate, butylbenzyl phthalate
Elefteria Psillakis et al.
Journal of chromatography. A, 999(1-2), 145-153 (2003-07-30)
A simple and efficient liquid-phase microextraction (LPME) technique using a hollow-fibre membrane, in conjunction with gas chromatography-mass spectrometry has been developed for the extraction and analysis of six phthalate esters in water samples. Parameters such as extraction solvent, agitation of
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