Dispersion characteristics of sol-gel derived (Ba0.2Pb0.8)TiO3 various pH
Suspension behaviour of sol-gel derived (Ba0.2Pb0.8)TiO3 powder was observed as a function of pH (pH 1 to 13). The dispersion has an isoelectric point (IEP) at pH 7, and better dispersion at lower and higher pH than 7. The powder has a BET surface area of 2.3 m2 /g at pH 7 and 97 to 105 m2/g at pH 1...
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| Veröffentlicht in: | Journal of materials science 1990-09, Vol.25 (9), p.3880-3885 |
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| container_issue | 9 |
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| container_title | Journal of materials science |
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| creator | Jo, Kyung Haw Kim, Eung Soo Yoon, Kl Hyun |
| description | Suspension behaviour of sol-gel derived (Ba0.2Pb0.8)TiO3 powder was observed as a function of pH (pH 1 to 13). The dispersion has an isoelectric point (IEP) at pH 7, and better dispersion at lower and higher pH than 7. The powder has a BET surface area of 2.3 m2 /g at pH 7 and 97 to 105 m2/g at pH 1, 11 and 13. The sol-gel specimens derived from well dispersed suspensions with pH 11 and 13 showed a high relative density (95 to 98%). 16 refs. |
| doi_str_mv | 10.1007/BF00582454 |
| format | Article |
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The dispersion has an isoelectric point (IEP) at pH 7, and better dispersion at lower and higher pH than 7. The powder has a BET surface area of 2.3 m2 /g at pH 7 and 97 to 105 m2/g at pH 1, 11 and 13. The sol-gel specimens derived from well dispersed suspensions with pH 11 and 13 showed a high relative density (95 to 98%). 16 refs.</description><subject>Applied sciences</subject><subject>Building materials. Ceramics. 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The dispersion has an isoelectric point (IEP) at pH 7, and better dispersion at lower and higher pH than 7. The powder has a BET surface area of 2.3 m2 /g at pH 7 and 97 to 105 m2/g at pH 1, 11 and 13. The sol-gel specimens derived from well dispersed suspensions with pH 11 and 13 showed a high relative density (95 to 98%). 16 refs.</abstract><cop>Heidelberg</cop><pub>Springer</pub><doi>10.1007/BF00582454</doi><tpages>6</tpages></addata></record> |
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| subjects | Applied sciences Building materials. Ceramics. Glasses Ceramic industries Chemical industry and chemicals Electrotechnical and electronic ceramics Exact sciences and technology Technical ceramics |
| title | Dispersion characteristics of sol-gel derived (Ba0.2Pb0.8)TiO3 various pH |
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