Isomorphous Substitution of Aluminium for Gallium in a Framework Gallophosphate

来源 :Chemical Research in Chinese Universities | 被引量 : 0次 | 上传用户:xiaodehuwei12
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
An aluminium-substituted framework gallophosphate with occluded triethylamine was synthesized hydrothermally. 27Al MAS NMR spectroscopy indicates that only the tetrahedral coordinated gallium atoms in the gallophosphate are substituted by aluminium atoms.
其他文献
The redox properties of K17[Ln(As2W17O61)2](Ln = La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Tm or Yb) in solution were investigated using polarographic and cyclic volt
The synthesis of zeolite HXDM-Theta-1(HXDM = hexanediamine) from the reaction mixture HXDM-Al2O3-SiO2-HF-H2O is described. The formation of HXDM-Theta-1 is favo
美国当代生态诗人加里·斯奈德对中国唐代隐逸诗人寒山的诗歌翻译拉开了20世纪五六十年代美国寒山热现象的帷幕,斯奈德及"垮掉的一代"对寒山的文学接受既有跨越时空的沟通
以异丙醇钛为原料,采用水热法在浓酸条件下低温合成高径向比金红石型TiO2纳米颗粒.研究了酸浓度、聚乙二醇4000(PEG4000)、十六烷基溴化铵(CTAB)和十二烷基硫酸钠(SDS)对产物形貌和
The microstructure of selected specimens in the (Y,Ce)-TZP-Al2O3 composite systems was studied. The investigation techniques used in this work included X-ray di
The present paper covers an X-ray photoelectron spectroscopic (XPS) method proposed for identifying Bronsted and Lewis acidic sites in zeolites and estimating a
The title compound C18 H25 NC4ClBr2Cu crystallizes in space group P 1 with a = 1.0105(2)nm b=1.0821(1) nm, c=1. 1007(2) nm, a=80. 00(1)°,β=80. 26(1)°
A novel zeolite, denoted as CJS-4, has been synthesized from nonalkaline medium by using 4,4’-trimethylenebis(1-methylpiperidine) or 1,4-diazoniabicyclo(2,2,2)
自1999年12月以来,笔者对102例病毒性肝炎患者进行了血清总胆汁酸测定,现将检测结果分析报道如下.
短波超短波在通信中占据重要地位,是唯一不会受到网络枢纽影响的通信系统。一般情况下,基础通信设施不会出现重大问题,但是一旦发生损坏将会造成严重影响,导致指挥机关难以有