Role of some complexing agents during electrodeposition of tellurium
The uses of electrodeposition processes for the production of Te as a pure metal from different baths containing tellurous acid with some suitable additives have been investigated. The quantity and quality of the deposited metal are found to be dependent on the type of the baths used. The effects of...
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| Veröffentlicht in: | Indian journal of chemical technology 1995-07, Vol.2 (4), p.205-210 |
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| creator | KENAWY, I. M. M HAFEZ, M. A. H EL-KHOULY, A. A GOUDAH, Y. G |
| description | The uses of electrodeposition processes for the production of Te as a pure metal from different baths containing tellurous acid with some suitable additives have been investigated. The quantity and quality of the deposited metal are found to be dependent on the type of the baths used. The effects of different parameters such as kind and concentration of acids, current density, temperature, electrode type (platinum and graphite) and metal to complexing agent concentration ratio on the cathodic efficiency and on the quality of deposit have been discussed. The interfering effect of some cations and anions has also been studied. Spectrophotometric, AAS and x-ray analyses revealed the purity of separated deposit to be 99.9%. An analytical application for preconcentration and separation of Te from its natural ores and alloys using the proposed electrolytic method is found to be satisfactory. |
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M. M ; HAFEZ, M. A. H ; EL-KHOULY, A. A ; GOUDAH, Y. G</creator><creatorcontrib>KENAWY, I. M. M ; HAFEZ, M. A. H ; EL-KHOULY, A. A ; GOUDAH, Y. G</creatorcontrib><description>The uses of electrodeposition processes for the production of Te as a pure metal from different baths containing tellurous acid with some suitable additives have been investigated. The quantity and quality of the deposited metal are found to be dependent on the type of the baths used. The effects of different parameters such as kind and concentration of acids, current density, temperature, electrode type (platinum and graphite) and metal to complexing agent concentration ratio on the cathodic efficiency and on the quality of deposit have been discussed. The interfering effect of some cations and anions has also been studied. Spectrophotometric, AAS and x-ray analyses revealed the purity of separated deposit to be 99.9%. An analytical application for preconcentration and separation of Te from its natural ores and alloys using the proposed electrolytic method is found to be satisfactory.</description><identifier>ISSN: 0971-457X</identifier><language>eng</language><publisher>New Delhi: Council of Scientific & Industrial Research</publisher><subject>Applied sciences ; Exact sciences and technology ; Metallic coatings ; Metals. 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G</creatorcontrib><title>Role of some complexing agents during electrodeposition of tellurium</title><title>Indian journal of chemical technology</title><description>The uses of electrodeposition processes for the production of Te as a pure metal from different baths containing tellurous acid with some suitable additives have been investigated. The quantity and quality of the deposited metal are found to be dependent on the type of the baths used. The effects of different parameters such as kind and concentration of acids, current density, temperature, electrode type (platinum and graphite) and metal to complexing agent concentration ratio on the cathodic efficiency and on the quality of deposit have been discussed. The interfering effect of some cations and anions has also been studied. Spectrophotometric, AAS and x-ray analyses revealed the purity of separated deposit to be 99.9%. An analytical application for preconcentration and separation of Te from its natural ores and alloys using the proposed electrolytic method is found to be satisfactory.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Metallic coatings</subject><subject>Metals. Metallurgy</subject><subject>Production techniques</subject><subject>Surface treatment</subject><issn>0971-457X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNotTktLxDAYzEHBdfU_9CDeCknTPL6jrE9YEETBW8k2X0okbWqSgv57u7jMYRjmwZyRDQXF6laozwtymfMXpVKAVhty_xYDVtFVOY5Y9XGcA_74aajMgFPJlV3SUWHAvqRocY7ZFx-nY6VgCKu9jFfk3JmQ8frEW_Lx-PC-e673r08vu7t9PTDNSs2loggWrNFaHQRw1FK4BlgDVHLjLEptmGi1aCgKDgpaftC2ZQ5bhcrxLbn9351T_F4wl270uV9fmAnjkrtGgFCCyTV4cwqa3Jvgkpl6n7s5-dGk344rCiv4H6M6VDQ</recordid><startdate>19950701</startdate><enddate>19950701</enddate><creator>KENAWY, I. M. M</creator><creator>HAFEZ, M. A. 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Metallurgy</topic><topic>Production techniques</topic><topic>Surface treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>KENAWY, I. M. M</creatorcontrib><creatorcontrib>HAFEZ, M. A. H</creatorcontrib><creatorcontrib>EL-KHOULY, A. A</creatorcontrib><creatorcontrib>GOUDAH, Y. G</creatorcontrib><collection>Pascal-Francis</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Indian journal of chemical technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>KENAWY, I. M. M</au><au>HAFEZ, M. A. H</au><au>EL-KHOULY, A. A</au><au>GOUDAH, Y. 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The interfering effect of some cations and anions has also been studied. Spectrophotometric, AAS and x-ray analyses revealed the purity of separated deposit to be 99.9%. An analytical application for preconcentration and separation of Te from its natural ores and alloys using the proposed electrolytic method is found to be satisfactory.</abstract><cop>New Delhi</cop><pub>Council of Scientific & Industrial Research</pub><tpages>6</tpages></addata></record> |
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| ispartof | Indian journal of chemical technology, 1995-07, Vol.2 (4), p.205-210 |
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| language | eng |
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| source | DOAJ Directory of Open Access Journals; Free Full-Text Journals in Chemistry |
| subjects | Applied sciences Exact sciences and technology Metallic coatings Metals. Metallurgy Production techniques Surface treatment |
| title | Role of some complexing agents during electrodeposition of tellurium |
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