NDLI: Beach sand from Cancun Mexico: a natural macro- and mesoporous material

Content Provider	Springer Nature Link
Author	Chen, Hui Wang, Jinhai Rahman, Zia Worden, James G. Liu, Xiong Dai, Qiu Huo, Qun
Copyright Year	2007
Abstract	Sand particles from Cancun, Mexico were studied using a number of advanced spectroscopic and microscopic techniques. The main chemical composition of sand particles was confirmed to be calcium carbonate by X-ray photoelectron spectroscopy and IR spectroscopic analysis. X-ray diffraction analysis revealed that the sand particles are aragonite, which has an Orthorhombic—Dipyramidal crystal structure. The morphological study of the sand particles by scanning electron microscopy and transmission electron microscopy revealed the presence of a highly porous channel-like structure in the sand particles. The sorption isotherm indicates that Cancun sand is a mesoporous material. The specific surface area of Cancun sand was determined to be 2.259 m$^{2}$/g by BET measurement, which is significantly higher than that of Florida sand and other forms of natural aragonite and calcite. Furthermore, it was found that the porous sand particles can adsorb gold nanoparticles of the size of a few nanometers very efficiently. The distribution of gold nanoparticles demonstrated a channel-like porous inner structure of the sand particles. We also prepared a polymer composite material by mixing the sand particles with a poly(methyl methacrylate) matrix. SEM analysis of the composite materials showed a good interfacial adhesion between sand particles and polymer matrix. These results suggest that Cancun sand, as a natural macro- and mesoporous material, may find promising applications in filtration, pollution control, composite materials and biomaterials development.
Starting Page	6018
Ending Page	6026
Page Count	9
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	42
Issue Number	15
e-ISSN	15734803
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2007-04-06
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Mechanics Crystallography Continuum Mechanics and Mechanics of Materials Polymer Sciences Characterization and Evaluation of Materials Materials Science
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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