Many gas purifiers include internal indicators, usually for oxygen or water. They change color as they react with the contaminant, which signals depletion of the main adsorbent bed in the purifier.Read More
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Useful and relevant discussions related to the gas chromatography industry including product information, troubleshooting, FAQ and recommendations from skilled experts.
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 applicationsRead More
Indicating purifiers are popular for obvious reasons – you like to know that your filter is really working. It is possible to get moisture indicators and oxygen indicators that turn color when exposed to the target gas at the 1 ppm level?Read More
I bet a lot of you in the lab spend a lot more time looking for leaks in your gas lines and in your instruments than you want to! At CRS our leak checking is mostly done to assure the quality of our gas purifiers, and we have never found a way around doing 100% helium leak checking. Minute leaks can remain during purifier manufacturing...Read More
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?Read More