Nitrogen generator, to buy or not to buy

[Jasmine]

Hi All LCMS users,

Please advice on the issue above. Some labs use big cylinders of liquid nitrogen while others use nitrogen generators. What are the advantages and disadvantages? Is it really cost effective?

Thanks!

[MIB_EO]

It all depends!

If you only run one LC-MS, with short sample runs, not that frequently then you may get away with cylinders. But they are a pain to change.

A liquid N2 tank, is great, continual reliable high quality N2, but probable more viable if you are running several instruments pretty much all day.

In between an N2 generator works well, and isn't that expensive.

[MikeD]

We are satisfied with a generator for our single instrument. The only issue with ours is low frequency vibration. Things left on the top can vibrate clean off - a service engineer's laptop in our case. We had to put a warning notice on it.

[mtorrey]

Hi All LCMS users,

Please advice on the issue above. Some labs use big cylinders of liquid nitrogen while others use nitrogen generators. What are the advantages and disadvantages? Is it really cost effective?

Thanks!

We use a N2 generator and my biggest complaint is the noise and heat it puts out.

It also depends on what kind of analysis you are going to do. APCI uses a lot of N2.

Mike