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5973 Diffusion pump oil

Discussions about GC-MS, LC-MS, LC-FTIR, and other "coupled" analytical techniques.

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5973 Diffusion pump oil

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BCBC
Any reason to change the diffusion pump oil if it is clear looking and at an acceptable level in the pump?
Agilent 5973 MSD.
Thank you.

Re: 5973 Diffusion pump oil

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carras
None that I can think of. Mine has been in the pump for over ten years and everything works fine.
Mike

Re: 5973 Diffusion pump oil

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Consumer Products Guy
We were told that diffuson pump oil condition is related to number of injections and types of injections. In other words, if yours looks good, it probably is good. Changing it out is a semi-hassle, I've only done it once or twice (5971/5972).
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