Progress of Cryogenics and Isotopes Separation

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The National Conference with international participation on New Cryogenic and Isotope Technologies for Energy and Environment - EnergEn 2018 is organized by the National Research-Development Institute for Cryogenic and Isotopic Technologies - ICSI Rm. Valcea with the scientific participation of the University of Pitesti and the University of Craiova and will be held at Baile Govora, in 2018.

ANALYSIS OF TRACE AMOUNTS OF CARBON DIOXIDE, OXYGEN AND METHANE IN NITROGEN: A COMPARISON OF TWO DIFFERENT ANALYTICAL TECHNIQUES Print

ANALYSIS OF TRACE AMOUNTS OF CARBON DIOXIDE, OXYGEN AND METHANE IN

 

 NITROGEN: A COMPARISON OF TWO DIFFERENT ANALYTICAL TECHNIQUES

 

 

 

 Marius Gheorghe Miricioiu1,2*, Corina Ciucure1, Marius Constantinescu1, Violeta Niculescu1,

 

 Oana Romina Dinca1, Ramona Zgavarogea1, Gheorghe Nechifor2


 

1National Research and Development Institute for Cryogenics and Isotopic Technologies - ICSI Rm. Valcea, Uzinei Street no. 4,

 

 P.O. Box Râureni 7, 240050, Râmnicu Vâlcea, Romania;

 2Politehnica University of Bucharest, Faculty of Applied Chemistry and Materials Science, 1-7 Polizu Str., 011061, Bucharest, Romania

 

  

 

ABSTRACT

 

 Pure gases, ranging from 99.996% (4.6 grades) to 99.99999% (7.0 grades) purity, are used in various applications, from technological applications (i.e. for special welding operations) to the analytical ones as carrier gas in gas chromatography, or as calibration standard. In this work, two different analytical techniques applied to detect trace impurities in pure gases were compared, highlighting their strengths and weaknesses. For this purpose a sample of pure gas with known concentration was measured by gas chromatography and mass spectrometry in order to determine the impurities and perform a critical interpretation. 

 

Keywords: carbon dioxide, oxygen, methane, analytical techniques

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