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Merck

23157

Supelco

Thermogreen® LB-2 セプタム 固形ディスク

diam. 10 mm ( 13/32), pkg of 1000 ea

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About This Item

UNSPSCコード:
41115718

包装

pkg of 1000 ea

直径

10 mm ( 13/32)

適合性

for use with Agilent/HP 5700 series, 5880
for use with Varian packed column injectors

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詳細

元のThermogreen LB-1セプタムの改良版です。
  • ブリードは、広い温度範囲(100°C~350°C)にわたって著しく低く抑えられています。
  • すでに調整済みのため、すぐに使用できます。
  • ニードルは、穿通が容易で高い破裂耐性を持っています(オートサンプラーに最適です)。
  • Supelco社独自のゴムの組成です。
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. 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.

アプリケーション

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.
  • Thermo-resistant septa is used in GC instrument to avoid carrier gas leaks, extraneous peaks and phthalate contamination.
  • Thermo-resistant septa along with thick needle protector is used in GC instruments to avoid damage irreversibly caused by microsyringe.
  • It is also used in the influent sampling ports in gas chromatographs.

法的情報

Thermogreen is a registered trademark of Merck KGaA, Darmstadt, Germany

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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
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)
R.L. Grob, M.A. Kaiser
Environmental Problem Solving Using Gas and Liquid Chromatography, 166-166 (2000)
Robert L. Grob, PhD, Eugene F. Barry, PhD
Modern Practice of Gas Chromatography, 471-472 (2004)

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