Mössbauer Spectroscopic Studies of Supported α-Fe2O3 and Fe Catalysts Ⅰ: Particle Size Determination and Support Effect

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Title:	Mössbauer Spectroscopic Studies of Supported α-Fe2O3 and Fe Catalysts Ⅰ: Particle Size Determination and Support Effect
Authors:	魏和祥;Wei, Ho-hsiang;林坤海;Lin, K. H.
Contributors:	淡江大學化學學系
Keywords:	Mossbauer effect;iron catalysts
Date:	1984-12-01
Issue Date:	2013-07-29 13:45:55 (UTC+8)
Publisher:	臺北市：中國化學學會
Abstract:	The chemical state of particles of 5wt% Fe in .alpha.-Fe/sub 2/O/sub 3/ and the subsequently reduced iron particles supported on different particle size (50-200 mesh) of silica (SiO/sub 2/), alumina (Al/sub 2/O/sub 3/), magnesium oxide (MgO) and carbon (C) was examined by Mossbauer spectroscopy at various stages of calcination and reduction. The particle size of the .alpha.-Fe/sub 2/O/sub 3/ supported on different mesh sizes (50, 100, 140, 200 mesh) of SiO/sub 2/ has been determined. The strength of metal-support interaction with respect to the kind of support was found to be MgO>SiO/sub 2/>Al/sub 2/O/sub 3/>C.
Relation:	中國化學會會誌=Journal of the Chinese Chemical Society 31(4)，頁329-333
DOI:	10.1002/jccs.198400046
Appears in Collections:	[Graduate Institute & Department of Chemistry] Journal Article

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