RE: HPLC - degassing
Breslav, Michael [PRI] (MBreslav@prius.jnj.com)
Thu, 12 Feb 1998 16:42:49 -0500
Wagner,
Here is the reason: Argon is soluble in water: 52.4 cubic centimeters in
1ml (0C); in organic solvents even better. Helium less soluble in water:
9.78 cubic cm in 1ml (0C) and even less in organic.
Regards,
Michael Breslav
R.W. Johnson PRI
Spring House, PA
> ----------
> From: Wagner Fontes[SMTP:wagnerf@guarany.cpd.unb.br]
> Sent: Thursday, February 12, 1998 4:16 PM
> To: Recipients of ABRF List
> Subject: HPLC - degassing
>
>
> Which gas should be used for solvent degassing?
> We always used helium, but argon seems to have the same efficiency and
> is
> much easier for us to obtain. Why do some facilities prefer helium?
>
> Wagner
>
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