Sep 28, 2012 As mentioned earlier, septa contain volatile components which, if introduced into the injection port, will be chromatographed by the GC column.

Jan 3, 2018 Septa replacement is one of our most common tasks when doing routine maintenance on our gas chromatographs. Fortunately, it is also one of ...

Jun 9, 2022 Identifying the source of siloxanes makes troubleshooting much easier. While it's true that both septa bleed and column bleed are the same—that ...

Components on top of the injection port of GC systems that provide a leak-free seal between the atmosphere and carrier gas and minimize the introduction of 

This application note discusses the influences of pierced PTFE/silicone septa in GC-MS experiments. Two examples are given: the loss of nonpolar volatile 

Greyhound Chromatography offers an extensive range of Gas Chromatography GC Septa manufactured from the highest quality materials, in a huge range of sizes 

Dec 10, 2013 Identifying the source of siloxanes makes troubleshooting much easier. While it's true that both septa bleed and column bleed are the same; that ...

produce the septa found in LC and GC vial caps. This GC and LC experiments can impact the septa integrity. ... actual conditions of use.

Jul 10, 2012 Consequently, prior blank studies at actual analysis conditions may become mandatory for quantification and reduction of such interferences, ...

ALL GC Models The septum is used to seal the injection port and it is an interface for injecting the sample. The septa are made of polydimethylsiloxane - a ...

Jul 5, 2022 Consequently, prior blank studies at actual analysis conditions may become mandatory for quantification and reduction of such interferences, ...

Nov 25, 2014 Septa: Allows the sample syringe to enter the inlet and make the injection without depressurising the inlet or interrupting the carrier gas flow ...

Consequently, prior blank studies at actual analysis conditions may become mandatory for quantification and reduction of such interferences, ignoring septa 

Septum fragments in the inlet liner can also lead to ghost peaks and/or loss of response due to adsorption of analytes as they pass through. Storage and 

Gas Chromatography. P R O D U C T N O T E. Key Features: • Select from a range of GC septa with varying properties limits.