1. Indicating Gas Filters– Protecting the Indicator during Installation

    Indicating Gas Filters– Protecting the Indicator during Installation

    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?

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  2. Leak Checking Misery

    Leak Checking Misery

    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...

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  3. Crimping – Is My Headspace Vial Tight Enough?

    Crimping – Is My Headspace Vial Tight Enough?

    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?

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