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Crystallization Process of Open-Framework Aluminophosphate AlPO4-12
Lu Hui-Ying1; Liu Shu2; Xu Jun3; Yan Wen-Fu1; Liu Zhi-Qiang2; Deng Feng3; Xu Ru-Ren1
2015-09-10
Source PublicationCHINESE JOURNAL OF INORGANIC CHEMISTRY
Volume31Issue:9Pages:1885-1893
SubtypeArticle
AbstractUpon heating the initial mixture with the composition of n(Al2O3) :n(P2O5) :n(en) :n(H2O) = 1:1:2:226 at 200 degrees C for 12 h, where en is ethylenediamine, a three-dimensional open-framework aluminophosphate AlPO4-12 was obtained. The crystallization process of AlPO4-12 was investigated using X-ray diffraction, elemental analysis, pH measurement, liquid NMR, and electrospray ionization mass spectra (ESI-MS). On the basis of the ESI-MS data, a method was developed to systematically enumerate the formula of the fragments formed during the crystallization of AlPO4-12. It was found that intermediate phases of layered aluminophosphates Ui0-15 and Ui0-13 were formed prior the crystallization of AlPO4-12. The concentration of Al species in the liquid throughout the crystallization was extremely low. A gradual increase of P-OH group in the P species in the liquid and a gradual protonation of ethylenediamine during the crystallization were observed. The formation of 4- and 6-membered rings was confirmed by the ESI-MS data. The utilization of ESI-MS in the investigation of the crystallization process of microporous crystalline materials may allow us to determine the structural information and the formula of the fragments formed during the crystallization.
KeywordZeolite Aluminophosphate Electrospray Ionization Mass Spectrometry Crystallization Mechanism
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordSTRUCTURE-DIRECTING ABILITY ; LAYERED ALUMINOPHOSPHATES ; MASS-SPECTROMETRY ; CRYSTAL-STRUCTURE ; MICROPOROUS ALUMINOPHOSPHATE ; ALUMINUM PHOSPHATE ; MOLECULAR-SIEVE ; AL/P RATIO ; DEPENDENCE ; PIPERAZINE
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Inorganic & Nuclear
WOS IDWOS:000361346100024
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Document Type期刊论文
Identifierhttp://ir.apm.ac.cn/handle/112942/8172
Collection磁共振应用研究部
Affiliation1.Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China
2.Changchun Inst Appl Chem, Natl Ctr Mass Spectrometry, Changchun 130022, Peoples R China
3.Chinese Acad Sci, Wuhan Inst Phys & Math, Natl Ctr Magnet Resonance Wuhan, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China
Recommended Citation
GB/T 7714
Lu Hui-Ying,Liu Shu,Xu Jun,et al. Crystallization Process of Open-Framework Aluminophosphate AlPO4-12[J]. CHINESE JOURNAL OF INORGANIC CHEMISTRY,2015,31(9):1885-1893.
APA Lu Hui-Ying.,Liu Shu.,Xu Jun.,Yan Wen-Fu.,Liu Zhi-Qiang.,...&Xu Ru-Ren.(2015).Crystallization Process of Open-Framework Aluminophosphate AlPO4-12.CHINESE JOURNAL OF INORGANIC CHEMISTRY,31(9),1885-1893.
MLA Lu Hui-Ying,et al."Crystallization Process of Open-Framework Aluminophosphate AlPO4-12".CHINESE JOURNAL OF INORGANIC CHEMISTRY 31.9(2015):1885-1893.
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