material
off-white silicone body (123 mil thick), yellow PTFE face (2 mil thick)
packaging
pkg of 100 ea
diam.
6 mm ( 1/4 in.)
General description
PTFE面隔垫适用于克服由于硅胶隔垫中发生的高温延长而导致的降解。降解导致基线漂移和其他峰。通常将PTFE朝向色谱柱填料固定。
PTFE面隔垫专门用于需要更大惰性的应用。类白色硅胶体(123 mil厚)为黄色PTFE面(2 mil厚)提供了大量支撑。注射时PTFE破裂后,可能会发生一些流血。由于这种出血随着橡胶暴露而增加,因此我们建议使用针头引导来减小穿刺区域的大小。在200℃至300℃的入口温度下使用。
Application
配有搅拌棒的玻璃小瓶可以用PTFE面硅胶隔垫密封,用于水样品的溶剂滴加微萃取分析。
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Carmen López-Blanco et al.
Analytical and bioanalytical chemistry, 383(4), 557-561 (2005-09-01)
Water contamination due to the wide variety of pesticides used in agriculture practices is a global environmental pollution problem. Analytical methods with low quantification limits are necessary. The application of a new extraction technique, solvent drop microextraction (SDME), followed by
Ian A. Fowlis
Gas Chromatography, 62-62 (2008)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 22654 | 04061833422878 |