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“Will my septum last through the entire weekend autosampler run?” Read more to find out!

At CRS we have several customizable filter options to fit your specific application. We have outlined some common questions in the selection process.

The easiest and most obvious answer is to use a purifier with a built-in indicator: order a replacement when it starts turning color!

Whenever possible purifiers should be installed in a vertical position to prevent “channeling” of the gas stream, which can lead to premature contaminant breakthrough.

This benefits our customers by saving money on cartridges and also helps save the planet by keeping heavy metal cartridges from entering our landfills.

There are many kinds of fittings on the market for gas filters, including standard compression fittings, quick connect fittings, and push to connect fittings- to name a few. We are going to take a look at the different kinds of fittings and their applications

Headspace analysis is particularly sensitive to the quality of the sealing system used to contain the sample. The high pressures and high temperatures in use require high-performance and reproducible seals. So – in the absence of a high-priced residual force tester – how do we determine the tightness of the cap?

Adding a chamfer to septa significantly improves performance by guiding the needle to the same location each time, reducing coring. However, without pre-piercing there is still a high risk of contamination by the SPME needle punching a septum core into the liner, presumably on the first piercing...

When searching for an indicating gas purifier, you will find there are many filters containing a variety of moisture indicators on the market. It is important that you pick the right indicator for your specific application to get optimal performance.