Publication: Electron spin resonance studies of halloysites.
| dc.contributor.author | N. Chaikum | en_US |
| dc.contributor.author | R. M. Carr | en_US |
| dc.contributor.other | Mahidol University | en_US |
| dc.date.accessioned | 2018-06-14T09:01:39Z | |
| dc.date.available | 2018-06-14T09:01:39Z | |
| dc.date.issued | 1987-01-01 | en_US |
| dc.description.abstract | Absorption lines in the g approx 4 region of ESR spectra of three New Zealand halloysites were found to originate from similar paramagnetic centres to those in kaolinites. Resonances in the g approx 4 region were not common to all the halloysites, although the signal at g = 2.0 for the Matauri Bay halloysite is probably due to a trapped positive hole or trapped 018O - 2 ion. A 6- line resonance produced by Te Puke halloysite and removable by Na-saturation is attributed to exchangeable Mn on the clay surface. Low-T lines exhibited by all samples are due to V 4+ or VO 2+ replacing Al 3+ in the octahedral sheet. -D.J.M. | en_US |
| dc.identifier.citation | Clay Minerals. Vol.22, No.3 (1987), 287-296 | en_US |
| dc.identifier.doi | 10.1180/claymin.1987.022.3.03 | en_US |
| dc.identifier.issn | 00098558 | en_US |
| dc.identifier.other | 2-s2.0-0023479587 | en_US |
| dc.identifier.uri | https://repository.li.mahidol.ac.th/handle/123456789/15335 | |
| dc.rights | Mahidol University | en_US |
| dc.rights.holder | SCOPUS | en_US |
| dc.source.uri | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0023479587&origin=inward | en_US |
| dc.subject | Earth and Planetary Sciences | en_US |
| dc.title | Electron spin resonance studies of halloysites. | en_US |
| dc.type | Article | en_US |
| dspace.entity.type | Publication | |
| mu.datasource.scopus | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0023479587&origin=inward | en_US |