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包裝
pkg of 250 ea
直徑
11 mm ( 7/16)
相容性
for use with Agilent/HP 5880, 5890, 6850, 6890
for use with PerkinElmer Sigma series, 900, 990, 8000, AutoSystem, Clarus 500
for use with Varian 1078, 1079
for use with Varian SPI
for use with Varian capillary injectors
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一般說明
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.
它是经典Thermogreen LB-1隔垫的改良版。
- 可以在较宽的入口温度范围内(100°C至350°C)保持极低流失
- 经过预处理,开封即用
- 易于进针,并具有较高的穿刺耐受次数(适用于自动进样)
- Supelco独有的橡胶材料配方
應用
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.
法律資訊
Thermogreen is a registered trademark of Merck KGaA, Darmstadt, Germany
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Modern Practice of Gas Chromatography, 471-472 (2004)
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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TrAC, Trends in Analytical Chemistry, 21, 534-543 (2002)
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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
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