I've had great luck with the Supelco gas purifier:
23800-U
Supelco
High Capacity Gas Purifier
AC input 110 V, fitting size 1/8 in.
http://www.sigmaaldrich.com/catalog/ProductDetail.do?D7=0&N5=SEARCH_CONCAT_
PNO%7CBRAND_KEY&N4=23800U%7CSUPELCO&N25=0&QS=ON&F=SPEC
Lasts a long time and much cheaper than the cartridge type units. -Jay
On 6/8/11 8:05 PM, "Shuangquan Zhang" <[log in to unmask]> wrote:
>I am looking for the information on the purifier to work best for the He
>supply
>line for an IRMS. Any information would be greatly appreciated.
>
>Thanks,
>
>Shuangquan Zhang
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