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Stable Isotope Geochemistry

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Subject:
From:
Pier de Groot <[log in to unmask]>
Reply To:
Stable Isotope Geochemistry <[log in to unmask]>
Date:
Fri, 29 Jul 2005 18:14:46 +0200
Content-Type:
text/plain
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Dear Istvan and others,

There is a recent publication on this matter:
Huber Ch., Leuenberger, M. and Zumbrunnen, O. (2003) Continuous extraction
of trapped air from bubble ice or water for on-line determination of isotope
ratios. Anal. Chem., 75: 2324-2332.
Might be of interest for you.

Best wishes,
Pier de Groot.


> Dear  Sergey,
> 
> recently we have studied the stable isotope composition of block ice
> (10-20 meter thick) in ice cave and we got interesting results, but the
> interpretation of the data is not so easy. Therefore we are thinking
> about to measure the isotopic composition of CO2 trapped in the ice if
> there is a cheap method for sampling. From your letter I see that you
> have experience with stable isotope analyses of CO2 trapped in ice.
> Would you be so kind to refer me to papers describing methods for
> sampling this CO2 gas for stable isotope analysis? We would like to take
> samples from cave ice, and the cave is not reachable by car, only by foot!!
> 
> Best regards
> Istvan Forizs
> 
> Sergey Assonov wrote:
> 
>> Dear Carsten,
>> 
>> just a question - could it be a higher rank or could you have other
>> job openings in near future?
>> 
>> Few words about me  Russian, PhD in isotopic geochemistry, presently
>> works in the group of Carl Brenninkmeijer, at the Air Chemistry
>> Department, the Max-Planck-Institute for Chemistry, Mainz, Germany.
>> Here I have taken part in several projects, some of them are as
>> following: high-accuracy CO2 isotopic analyses of tropospheric air
>> samples (the aircraft project CARIBIC), development of new method for
>> 17O analysis in stratospheric CO2, analyses of CO2 and CO in Antarctic
>> firn aimed to reconstruct CO trend in SH (the EU project CRYOSTAT),
>> investigation of non-methane hydrocarbons extracted from air samples
>> with the aim of their future isotope analyses. Besides, I have taken
>> part in two other international ecological projects, namely studies of
>> methane emissions from Russian wetlands and methane leakages from
>> gas-transporting pipelines in Russia. A lot of other
>> analytical/instrumental experience.
>> 
>> Presently I am looking for a job with modern analytical instruments,
>> aimed monitoring and environment studies, developing new analytical
>> methods as well as performing automation of analytical instruments.
>> Your Black See project looks exciting.
>> 
>> Best regards,
>> 
>> Sergey Assonov
> 

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