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Digitale Medien

An in situ cell for transmission EXAFS measurements on catalytic samples (1989)

Kampers, F. W. H. ; Maas, T. M. J. ; van Grondelle, J. ; [weitere]

[S.l.] : American Institute of Physics (AIP)

Review of Scientific Instruments 60 (1989), S. 2635-2638

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Details

ISSN: 1089-7623

Quelle: AIP Digital Archive

Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik

Notizen: An in situ cell suitable for transmission EXAFS measurements on catalytic samples is described. The cell can be used for catalyst pretreatments in various atmospheres (including H2, H2S, O2 and CO) in a temperature range upto 700 K. The sample is heated by conducting heat from an external heater to the sample. During measurement the samples can be cooled down to 77 K by conducting heat from the sample to an external liquid nitrogen container. During the pretreatment and the measurement a waterflow through the body of the cell keeps certain crucial parts from overheating or icing up. To avoid radiation leaks in powdery samples these samples are pressed in a selfsupporting wafer and held in a disk-shaped sampleholder. Tests by various catalytic groups have proven the suitability of the design.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.1140684

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