搜索结果: 1-4 共查到“理学 Magadiite”相关记录4条 . 查询时间(0.031 秒)
以十六烷基三甲基溴化胺和四丙基氢氧化铵为膨化剂, 利用超声波的空化作用将合成的层状硅酸盐Magadiite进行层板剥离, 从而制备了一种新型介孔材料. 采用了XRD、氮气吸附、NMR, IR, SEM和TEM等表征工具对这种材料的结构和形貌进行了详细的表征. 研究结果表明: 这种材料在长程上是无序的而在短程上是有序的. 此外, 这种新型介孔材料不仅具有高的比表面, 而且约有一半的部分是外表面. 形...
Characterization of Silanol Groups in Protonated Magadiite by 1H and 2H Solid-State Nuclear Magnetic Resonance
1H NMR 2H NMR Hydrogen Bonding Magadiite Silanol Group
font style='font-size:12px;'>
2011/12/6
Abstract: Silanol groups in protonated magadiite (H-magadiite) were characterized by 1H and 2H solid-state nuclear magnetic resonance (NMR). H-magadiite and deuterated (D) magadiite were synthesized b...
One-Step Synthesis of Alkyltrimethylammonium-Intercalated Magadiite
Alkylammomium-Intercalated Magadiite Intercalation Magadiite Organo-Magadiite
font style='font-size:12px;'>
2011/12/6
Abstract: Cetyltrimethylammonium- and tetradecyltrimethylammonium-intercalated magadiites were prepared by direct syntheses, starting from sodium metasilicate (Na2O/SiO2 = 1.0) and nitric acid. Total ...
Hypothetical Structures of Magadiite and Sodium Octosilicate and Structural Relationships Between the Layered Alkali Metal Silicates and the Mordenite- and Pentasil-Group Zeolites
Alkali metal silicate Bikitaite Crystal structure Dachiardite Epistilbite Infrared spectroscopy Magadiite Mordenite Nuclear magnetic resonance
font style='font-size:12px;'>
2012/1/9
Hypothetical model structures for magadiite and sodium octosilicate, based on the structure of the zeolite dachiardite, are proposed that consist of layers of 6-member rings of tetrahedra and blocks c...