Characterization of diatomaceous silica by Raman spectroscopy

Yuan, Peng, He, Hongping, Wu, D. Q., Wang, D. Q., & Chen, L. J. (2004) Characterization of diatomaceous silica by Raman spectroscopy. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 60(12), pp. 2941-2945.

View at publisher

Abstract

The network characteristic of a selection of diatomaceous silica derived from China has been investigated using Raman spectroscopy. Before any thermal treatment of the sample, two prominent bands of 607 and circa 493 cm−1 are resolved in the Raman spectra of diatomaceous silica, corresponding to the (SiO)3-ring breathing mode of D2-line and the O3SiOH tetrahedral vibration mode of D1-line, respectively. This is more similar to the pyrogenic silica rather than the silica gel. For the latter, to obtain a (SiO)3-ring, the sample must be heated between 250 and 450 ◦C. Significant difference is also found between the diatomaceous silica and other natural silicas, e.g. in the Raman spectra of sedimentary and volcanic opals, neither D1 nor D2 band is detected in previous reports.

Impact and interest:

21 citations in Scopus
Search Google Scholar™
22 citations in Web of Science®

Citation counts are sourced monthly from Scopus and Web of Science® citation databases.

These databases contain citations from different subsets of available publications and different time periods and thus the citation count from each is usually different. Some works are not in either database and no count is displayed. Scopus includes citations from articles published in 1996 onwards, and Web of Science® generally from 1980 onwards.

Citations counts from the Google Scholar™ indexing service can be viewed at the linked Google Scholar™ search.

Full-text downloads:

2,728 since deposited on 24 Jun 2005
92 in the past twelve months

Full-text downloads displays the total number of times this work’s files (e.g., a PDF) have been downloaded from QUT ePrints as well as the number of downloads in the previous 365 days. The count includes downloads for all files if a work has more than one.

ID Code: 1518
Item Type: Journal Article
Refereed: Yes
Keywords: Diatomaceous silica, Raman spectroscopy, a, Cristobalite
DOI: 10.1016/j.saa.2004.02.005
ISSN: 1386-1425
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2004 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 24 Jun 2005 00:00
Last Modified: 13 May 2016 00:41

Export: EndNote | Dublin Core | BibTeX

Repository Staff Only: item control page