Dear colleagues,

I am starting the analysis of 15N/14N ratio measurements on volcanic 
gases by means of Thermo MAT 253. I would like to receive some advices 
about the use of Dual Inlet system to make this type of analysis. I have 
used atmospheric air as standard, but the results I am obtaining are 
much heavier than expected. The sample is taken in a evacuated bottle 
where a 5N NaOH solution retain the CO2 of the volcanic gas.
Can anybody help me on this?

Thank you

Eleazar

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Eleazar Padrón González
Instituto Tecnológico y de Energías Renovables, S.A. (ITER, S.A.)
Polígono Industrial de Granadilla, s/n 38600 - Granadilla de Abona 
Santa Cruz de Tenerife - España (Spain)
TEL: + 34 922-747-700; FAX: +34 922-747-701

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