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IJCT Vol.11(5) [September 2004] >


Title: Total gas analysis of nuclear fuels
Authors: Sayi, Y Sesha
Yadav, C S
Shankaran, P S
Chhapru, G C
Keywords: Occluded gas
residual gas
nuclear fuels
quadrupole mass spectrometry
Issue Date: Sep-2004
Publisher: CSIR
IPC CodeG21 C
Abstract: Total/occluded or residual gas content of sintered nuclear fuel pellets is an important specification. The specification of the gas content depends on the nature of the fuel and type of the reactor. The total gas content and its composition were determined employing hot vacuum extraction followed by quadrupole mass spectromety. Detailed investigations carried out on the determination of total gas in various types of nuclear fuels used in different types of reactors are reported in this paper. Oxide pellet is heated at 1650°C for 15 min while carbide pellet is heated at 1000°C for 30 min for the determination of total gas content. The overall measurement error is ± 5% and the detection limit is 0.005 cc. The main constituent of the gas is hydrogen (> 95%) in all the types of fuel pellets.
Page(s): 648-653
ISSN: 0975-0991 (Online); 0971-457X (Print)
Source:IJCT Vol.11(5) [September 2004]

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