Hi Tim,
I'm not sure if you've moved on with you water storage issue or not,
but last night, while falling asleep, I remembered that when I used to
work in a salmon hatchery in Alaska we used UV light to sterilize our
water inflow. Maybe it's a good solution for this app as well.

Brian Hough
Garduate Student
University of Rochester
SIREAL Lab

On 7/9/08, Nabil Saad <[log in to unmask]> wrote:
> Tim, for such a large batch, evaporation/condensation might work best for
> you to purify the batch, in case you have a round-bottom flask, a heating
> mantle and a condenser (make sure that the system is leak-free at the
> joints).
>
> Hope this helps,
>
>
> Nabil
>
>
> On Wed, Jul 9, 2008 at 1:58 PM, tcp121 <[log in to unmask]> wrote:
>
>> Greetings all...
>>
>> Does anyone have a recommendation for an additive to waters that can be
>> used to kill organic activity, but still render them useful for O and H
>> isotope analysis?  I've just received 2 liters of water from Perth that I
>> am
>> hoping to use as a heavy end member standard, but she's a tad on the green
>> side.  I was hoping to filter it and treat it so that I may still use it.
>>  We use mercury chloride to treat our DIC samples, but not sure I want to
>> inject such a concoction into our TC/EA.
>>
>> Any ideas out there?
>>
>> Thanks...
>>
>> Tim Prokopiuk
>>
>> --------------------------------------------------
>> Tim Prokopiuk
>> B. Sc. Geology/Technician
>> Saskatchewan Isotope Laboratory
>> Room 241
>> Department of Geological Sciences
>> University of Saskatchewan
>> 114 Science Place
>> Saskatoon, Saskatchewan, Canada
>> S7N 5E2
>> Phone: (306) 966-5712
>> Fax: (306) 966-8593
>> Email: [log in to unmask]
>>
>