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- Publisher Website: 10.1039/AN9780300149
- Scopus: eid_2-s2.0-0344089924
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Article: Potentiometric determination of copper in palm oil with a copper(II) ion-selective electrode
Title | Potentiometric determination of copper in palm oil with a copper(II) ion-selective electrode |
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Authors | |
Keywords | Copper Determination Copper(Ii) Ion-Selective Electrode Direct Potentiometry Palm Oil |
Issue Date | 1978 |
Publisher | Royal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/analyst |
Citation | The Analyst, 1978, v. 103 n. 1223, p. 149-155 How to Cite? |
Abstract | The applicability of a copper(II) ion-selective electrode for the determination of the copper content of crude and hydrogenated palm oils was investigated. Dry ashing was used for destroying the organic matrix and a porcelain crucible was used as container. The recovery of copper in dry ashing and the leaching of copper from the internal glazing of a porcelain crucible were investigated. A complexing antioxidant buffer was used in order to minimise the interfering effect of iron(III) on the determination of copper(II). A direct potentiometric method can be applied to determine the copper content of palm oil at a concentration higher than 10 μg kg-1 in the presence of 30 mg kg-1 of iron. |
Persistent Identifier | http://hdl.handle.net/10722/167849 |
ISSN | 2023 Impact Factor: 3.6 2023 SCImago Journal Rankings: 0.693 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Fung, YS | en_US |
dc.contributor.author | Fung, KW | en_US |
dc.date.accessioned | 2012-10-08T03:12:11Z | - |
dc.date.available | 2012-10-08T03:12:11Z | - |
dc.date.issued | 1978 | en_US |
dc.identifier.citation | The Analyst, 1978, v. 103 n. 1223, p. 149-155 | en_US |
dc.identifier.issn | 0003-2654 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/167849 | - |
dc.description.abstract | The applicability of a copper(II) ion-selective electrode for the determination of the copper content of crude and hydrogenated palm oils was investigated. Dry ashing was used for destroying the organic matrix and a porcelain crucible was used as container. The recovery of copper in dry ashing and the leaching of copper from the internal glazing of a porcelain crucible were investigated. A complexing antioxidant buffer was used in order to minimise the interfering effect of iron(III) on the determination of copper(II). A direct potentiometric method can be applied to determine the copper content of palm oil at a concentration higher than 10 μg kg-1 in the presence of 30 mg kg-1 of iron. | en_US |
dc.language | eng | en_US |
dc.publisher | Royal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/analyst | en_US |
dc.relation.ispartof | The Analyst | en_US |
dc.subject | Copper Determination | en_US |
dc.subject | Copper(Ii) Ion-Selective Electrode | en_US |
dc.subject | Direct Potentiometry | en_US |
dc.subject | Palm Oil | en_US |
dc.title | Potentiometric determination of copper in palm oil with a copper(II) ion-selective electrode | en_US |
dc.type | Article | en_US |
dc.identifier.email | Fung, YS:ysfung@hku.hk | en_US |
dc.identifier.authority | Fung, YS=rp00697 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1039/AN9780300149 | - |
dc.identifier.scopus | eid_2-s2.0-0344089924 | en_US |
dc.identifier.volume | 103 | en_US |
dc.identifier.issue | 1223 | en_US |
dc.identifier.spage | 149 | en_US |
dc.identifier.epage | 155 | en_US |
dc.identifier.isi | WOS:A1978ER23300006 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Fung, YS=13309754700 | en_US |
dc.identifier.scopusauthorid | Fung, KW=7202934752 | en_US |
dc.identifier.issnl | 0003-2654 | - |