We also use the AVL 9180 for Li and 'odd' sodiums and potassiums that crop
up on the main analysers which works very well. I wouldn't necessarily
recommend the colourimetric lithium method as its performance depends on
your instrument. It is light and air-sensitive (I'm not sure whether this is
from oxygen or carbon dioxide) which can also cause problems with reagent
stability.
Ian Mc
>From: Frederic Cotton <[log in to unmask]>
>Reply-To: Frederic Cotton <[log in to unmask]>
>To: [log in to unmask]
>Subject: Re: Flame Photometer
>Date: Fri, 22 Mar 2002 09:11:38 +0100
>
>We just evaluated the AVL 9180 Electrolyte Analyzer for lithium. It is a
>small and convenient benchtop ISE instrument.
>The correlation with flame photoetry was excellent. It can measure Na+, K+,
>Cl- and Ca2+ too. Costs are low and an autosampler can be installed
>(although the instrument price is then doubled).
>Regards,
>F. Cotton - Erasme University Hospital - Brussels
>
>----- Original Message -----
>From: "Louise Tilbrook" <[log in to unmask]>
>To: <[log in to unmask]>
>Sent: Thursday, March 21, 2002 5:40 PM
>Subject: Flame Photometer
>
>
> > I think this question has been asked previously so apologies for
>duplication. We currently use an ageing flame photometer for our lithiums
>and sweat sodiums (IL 943) . The analyser is rapidly approaching the end of
>its life and we are looking to replace it. I was thinking of the old
>Corning
>644 (now Bayer) but I believe this is no longer available.
> > I would be very grateful if other list members could let me know what
>methods they use for lithiums and also sweat sodiums & chlorides. Ideally I
>would like a small bench top ISE system which incorporates all 3!
> > Many thanks for your help
> >
> > Louise Tilbrook
> >
> > Louise Tilbrook
> > Principal Clinical Scientist
> > Pathology Department
> > Princess Alexandra Hospital
> > Hamstel Rd
> > Harlow
> > Essex
> > CM20 1QX
> > Tel: 01279 827034
> > Fax: 01279 416846
> > [log in to unmask]
> >
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