Determination Of Occluded Gas Component Analysis In Mox Using Gas Sampling Unit And Gas Chromatograp

The gases extracted from the sample at vacuum condition were injected into a gas chromatograph through an originally developed gas sampling unit (GSU). The gases were simultaneously determined using the improved gas chromatograph equipped with several separation columns and a photo-ionization detector (PID). The relative standard deviations (n=10) were 1.0, 3.4, 0.6, 1.0, 1.4, 0.8 and 0.9% for H2, 02, N2, CH*, COz, CO and QH, respectively. The gases B,, Qz, N,, Cii, CO, and CO from the MOX fuel pellets were simultaneously determined in this study. The results of gas analysis using this method were in agreement with that of the high temperature vacuum extraction method in the range less than 300¡x 1 of extracted gas [4],


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