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n Raman- en X-straalstudie van alkalimetaalformiate
Dissertation (MSc (Chemistry))--University of Pretoria, 1987.
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| Format: | Thesis |
| Language: | Afr |
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University of Pretoria
2024
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| _version_ | 1867613515378851840 |
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| access_status_str | Open Access |
| author2 | Heyns, A.M. |
| author_browse | Heyns, A.M. |
| author_facet | Heyns, A.M. |
| collection | Thesis |
| dc_rights_str_mv | © 2024 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria. |
| description | Dissertation (MSc (Chemistry))--University of Pretoria, 1987. |
| format | Thesis |
| id | oai:repository.up.ac.za:2263/99506 |
| institution | University of Pretoria (South Africa) |
| language | Afr |
| last_indexed | 2026-06-10T12:37:22.574Z |
| license_str | Other — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UPSpace — University of Pretoria Institutional Repository |
| publishDate | 2024 |
| publishDateRange | 2024 |
| publishDateSort | 2024 |
| publisher | University of Pretoria |
| publisherStr | University of Pretoria |
| record_format | dspace |
| source_str | UPSpace — University of Pretoria Institutional Repository |
| spelling | oai:repository.up.ac.za:2263/99506 n Raman- en X-straalstudie van alkalimetaalformiate Heyns, A.M. Van Niekerk, Ockert Tobias Raman- en X-straalstudie Alkalimetaalformiate UCTD Dissertation (MSc (Chemistry))--University of Pretoria, 1987. The crystallographic and spectroscopic properties of the alkali metal formiates are investigated, with particular emphasis on the thermal behaviour of these salts. X-ray powder diffraction, Raman spectroscopy and thermal analysis have been used as means of investigation. NaHCOO and KHCOO undergo first-order phase transitions at higher temperatures, while LiHCOO•H 2O exists as the monohydrate, is then dehydrated upon heating and undergoes a phase transition on the further application of heat. It was possible to transform all the anhydrous compounds to Phase I, then undercool it so that it could be studied at ambient conditions. It was not possible to predict crystal structures for Phase I, however many properties of this phase are discussed. In the case of KHCOO and LiHCOO, the II-I phase transition was studied with spectroscopic methods for the first time. The polymorphism of these compounds is complex and the possibility that additional phases exist, over and above Phase I, is discussed. Chemistry MSc (Chemistry) 2024-11-27T09:16:02Z 2024-11-27T09:16:02Z 22/01/21 1987 Dissertation http://hdl.handle.net/2263/99506 Afr © 2024 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria. application/pdf University of Pretoria |
| spellingShingle | Raman- en X-straalstudie Alkalimetaalformiate UCTD n Raman- en X-straalstudie van alkalimetaalformiate |
| title | n Raman- en X-straalstudie van alkalimetaalformiate |
| title_full | n Raman- en X-straalstudie van alkalimetaalformiate |
| title_fullStr | n Raman- en X-straalstudie van alkalimetaalformiate |
| title_full_unstemmed | n Raman- en X-straalstudie van alkalimetaalformiate |
| title_short | n Raman- en X-straalstudie van alkalimetaalformiate |
| title_sort | n raman en x straalstudie van alkalimetaalformiate |
| topic | Raman- en X-straalstudie Alkalimetaalformiate UCTD |
| url | http://hdl.handle.net/2263/99506 |