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Can you please give reference for the exact configuration of the Pyrolysis reactor as
such is not available in the Flash EA manual I have, only the combustion reactor
configuration is available.

Trina


On Fri, 2 Jul 2010 10:35:27 +0100, Jon Davies wrote
> Dear Trina,
> 
> I'm not sure that it is feasible to obtain reliable 13C and 18O data off
> one run.
> The Flash reactor column for oxygen analysis contains carbon
> (nickelised) to ensure the complete conversion of sample oxygen into CO.
> So while the 18O data in the produced CO will be purely from the sample
> oxygen, the 13C data will be a mix of sample carbon + reactor nickelised
> carbon.
> 
> I believe that you will need to carry out two analyses  -  firstly using
> a pyrolysis reactor for the 18O measurement and secondly using a
> combustion reactor to produce CO2 for the 13C measurement.
> 
> Regards
> 
> Jon Davies 
> Technical Manager
> Elemental Microanalysis Ltd.
> 
> Okehampton Business Park,
> Exeter Rd. Okehampton,
> Devon EX20 1UB  UK
> 
> Tel +44 (0)1837 54446
> Fax +44 (0)1837 54544
> www.microanalysis.co.uk
> 
> -----Original Message-----
> From: Stable Isotope Geochemistry [mailto:[log in to unmask]] On
> Behalf Of TRINA BOSE
> Sent: 02 July 2010 09:30
> To: [log in to unmask]
> Subject: [ISOGEOCHEM] Flash EA CO analysis
> 
> Hi All
> 
> I would like to Analyze Carbon Monoxide extracted from wood samples
> using a flash EA.
> For this, I am confused about the Reactor Column
> Configuration.Basically, I want to
> measure carbon and oxygen isotopic compositions from the wood sample
> during the same
> run, i.e. by producing CO using its own Carbon and oxygen. Please help.
> 
> sincerely
> 
> Trina Bose
> Research Fellow
> Indian Institute of Tropical Meteorology
> Dr. Homi Bhabha Road, Pashan, Pune-411008
> Ph.: 020 25904430


sincerely

Trina Bose
Research Fellow
Indian Institute of Tropical Meteorology
Dr. Homi Bhabha Road, Pashan, Pune-411008
Ph.: 020 25904430