SYNTHESIS OF LI/AL LAYERED DOUBLE HYDROXIDE-GUEST COMPOSITES UNDER MILD ACID CONDITIONS
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dc.contributor.author | Yang D.-S. | |
dc.contributor.author | Wang M.-K. | |
dc.contributor.author | Wang S.-L. | |
dc.date.accessioned | 2022-04-04T07:16:57Z | |
dc.date.available | 2022-04-04T07:16:57Z | |
dc.date.issued | 2004 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=13865702 | |
dc.identifier.citation | Clay Minerals, 2004, 39, 2, 115-121 | |
dc.identifier.issn | 0009-8558 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/36871 | |
dc.description.abstract | Layered double hydroxides (LDHs) are known as ‘anionic clays’. They comprise a class of material with positively charged octahedral double hydroxyl layers and exchangeable anions. The Li/Al LDH term includes a group of LDHs with Li/Al octahedral double hydroxyl layers. We have demoastrated a modifed method, using Li/Al LDH-OH (OH- as interlayer anions) as the starting material, for preparing Li/Al LDH-A (X represents interlayer anions, including dioctyl sulphosuccinate (DOSS), dodecyl sulphate (DDS), mercaptoacetate (MA), EDTA, Tiron and dichromate) under mild acid conditions (pH in the range 4 to 5). However, in the case of acid- sensitive anions, Fe(CN)6-4, Li/Al LDH-Fe(CN)6-4 can be prepared by a two-step procedure using Li/Al LDH-DOSS or similar compounds as intermediates to react with acid-sensitive anions under mild alkaline conditions (pH ≈ 9). | |
dc.title | SYNTHESIS OF LI/AL LAYERED DOUBLE HYDROXIDE-GUEST COMPOSITES UNDER MILD ACID CONDITIONS | |
dc.type | Статья |
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