Dear Luisa,

I am also interested in the replies to your question. 

My current understanding is that since oxidation and reduction are done in 
the same reactor, less reagents can be used so the number of samples which 
may be run before replacing the chemicals is reduced, especially if large 
samples are used. For me this is not such a problem because I don't need 
to do commercial work. My understanding is that nothing else is 
compromised.
 
On the other hand the fact that there is only one reactor tends to produce 
narrower (& taller) peaks.
 
Hope this helps.

Andrew

Andrew C Hill, PhD
Postdoctoral Research Fellow
Planetary Geology Laboratory
Centro de Astrobiología (CAB)
Instituto Nacional de Técnica Aeroespacial
Ctra de Ajalvir, km 4
28850 Torrejón de Ardoz, Madrid, Spain

Tel.         :    (+34) 91.520.6428
Fax.        :    (+34) 91.520.1074        
e-mail    :    [log in to unmask] 

Stable Isotope Geochemistry <[log in to unmask]> wrote on 19/05/2006 
16:35:10:

> Dear all,
> 
> does anybody have experienced the FLASH HT (for both combustion and 
> pyrolysis of organic and inorganic samples) from Thermoelectron?
> We would like to know about advantages, disadvantages and problems 
connected 
> to this machine.
> 
> Thank you in advance
> 
> Luisa
> 
> 
> 
> ----------------------------------
> Luisa Stellato, PhD
> Dept. of Environmental Sciences
> Second University of Naples
> via Vivaldi, 43
> 81100 Caserta
> tel: +39 3476037825
> fax: +39 0823 274605
> -----------------------------------
> www.theactions.co.uk
> -----------------------------------