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Article
Nature 226, 1225-1228 (27 June 1970) | doi:10.1038/2261225a0; Received 28 January 1970
The Atomic Structure of Tubular Subcrystals of 
-Iron(III) Oxide Hydroxide
K. J. GALLAGHER
- Department of Chemistry, University College, Swansea
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Abstract
The presence of pores in 
-FeOOH (mineral name akaganéite) has been confirmed by pore volume distribution measurements. The mean pore diameter has been found (28.4 Å) and the number distribution calculated. With the available evidence from electron microscopy, gas adsorption and X-ray diffraction a unique superstructure for the porous subcrystals is deduced which, because of their unusually small dimensions, can only be formulated in atomic terms.
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