Hi, Amanda:

The sample is better to be distilled, centrifuge is not enough. Otherwise,
the autosampler needle might be jammed. We observed isotope value change
during storage possibly due to the exchange between water and the blood
cells.

Cheers.

Dachun Zhang
Zymax




----- Original Message -----
From: "[log in to unmask]" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, September 22, 2004 9:50 AM
Subject: [ISOGEOCHEM] H/Device question


> Has anyone used the H/Device to determine the delta D and 18O from blood?
> If so, how were the samples prepared?
>
> Also,  does ethanol affect the C signature if insects have been stored in
> it for a period of time?
>
> Amanda Watts
> Brigham Young University
>  Integrative Biology
>
> ________________________________________________________________
> Get your name as your email address.
> Includes spam protection, 1GB storage, no ads and more
> Only $1.99/ month - visit http://www.mysite.com/name today!
>