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pre-slite vials for HPLC-MS

http://www.chromforum.org/viewtopic.php?t=7746

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pre-slite vials for HPLC-MS

Posted: Wed Jan 23, 2008 11:07 am
by Nadine
Is someone using no pre-slite vials for HPLC Alliance /MS ? Is the needle enough strong for this kind of vials ? thank you in advance.

Re: pre-slite vials for HPLC-MS

Posted: Wed Jan 23, 2008 12:58 pm
by Stryder08
Is someone using no pre-slite vials for HPLC Alliance /MS ? Is the needle enough strong for this kind of vials ? thank you in advance.
The 2695 needle is definitely strong enough to pierce nonslit septa. We use them everyday.

Posted: Wed Jan 23, 2008 1:15 pm
by JGK
The needle is designed to work with both slit and non-slit septa.

However, if you're working with larger injection volumes and multiple injections/vial, preslit septa do eliminate the "vacuum" effect sometimes seen when "solid" septa are used.
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