http://www.cnr.it/ontology/cnr/individuo/prodotto/ID188463
Synthesis of Ca(OH)2 nanoparticles from diols (Articolo in rivista)
- Type
- Label
- Synthesis of Ca(OH)2 nanoparticles from diols (Articolo in rivista) (literal)
- Anno
- 2001-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1021/la0015967 (literal)
- Alternative label
Barbara Salvadori and Luigi Dei (2001)
Synthesis of Ca(OH)2 nanoparticles from diols
in Langmuir; ACS, American chemical society, Washington, DC (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Barbara Salvadori and Luigi Dei (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://pubs.acs.org/doi/pdf/10.1021/la0015967 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Scopu (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Department of Chemistry and Consortium CSGI, University of Florence via Gino Capponi, 9 I-50121 Firenze, Italy (literal)
- Titolo
- Synthesis of Ca(OH)2 nanoparticles from diols (literal)
- Abstract
- The aim of this project was to study the preparation and characterization of nanosized Ca(OH)2 particles.
Synthesis of Ca(OH)2 particles was performed at a high temperature, and diols were employed as the
reaction media. The size and shape of the particles were found to be dependent on different experimental
factors, such as reaction temperature, concentration of the reactants, molar ratio, and aging time. Several
syntheses were carried out using different parameters. The higher solubility of Ca(OH)2 in diols than in
water made the synthesis of the nanoparticles particularly difficult. The diols used (1,2-ethanediol and
1,2-propanediol) remained adsorbed onto the nanoparticles, which caused aggregation, forming micronsized
agglomerates. Their removal, with subsequent dispersion of the nanosized units, was achieved by
peptization with 2-propanol in an ultrasonic bath. The nanoparticles were characterized by X-ray diffraction
analysis, transmission electron microscopy, and Fourier transform infrared spectroscopy. Short aging
times produced very small particles sized ca. 30-60 nm. For all the other syntheses carried out, the particle
size was in the range of 50-150 nm depending on the molar ratio of the reactants. (literal)
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