{"title":"水热合成gonnarite的形貌","authors":"H. Ghobarkar, O. Schäf","doi":"10.1016/S0144-2449(97)00081-X","DOIUrl":null,"url":null,"abstract":"<div><p>The hydrothermal treatment of glasses of the composition 5 Na<sub>2</sub>O : 4 CaO : 9 Al<sub>2</sub>O<sub>3</sub> : 22 SiO<sub>2</sub> at 1 kbar pressure in a temperature range between 80°C and 200°C leads to the formation of the zeolite mineral gonnardite (NAT) with orthorhombic symmetry (<em>a</em> = 13.35 Å, <em>b</em> = 13.35 Å, and <em>c</em> = 6.65 Å). The formation of the mineral phase under these equilibrium conditions is restricted to the temperature interval between 80°C and 150°C.</p></div>","PeriodicalId":23983,"journal":{"name":"Zeolites","volume":"19 4","pages":"Pages 259-261"},"PeriodicalIF":0.0000,"publicationDate":"1997-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0144-2449(97)00081-X","citationCount":"8","resultStr":"{\"title\":\"The morphology of hydrothermally synthesized gonnardite\",\"authors\":\"H. Ghobarkar, O. Schäf\",\"doi\":\"10.1016/S0144-2449(97)00081-X\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The hydrothermal treatment of glasses of the composition 5 Na<sub>2</sub>O : 4 CaO : 9 Al<sub>2</sub>O<sub>3</sub> : 22 SiO<sub>2</sub> at 1 kbar pressure in a temperature range between 80°C and 200°C leads to the formation of the zeolite mineral gonnardite (NAT) with orthorhombic symmetry (<em>a</em> = 13.35 Å, <em>b</em> = 13.35 Å, and <em>c</em> = 6.65 Å). The formation of the mineral phase under these equilibrium conditions is restricted to the temperature interval between 80°C and 150°C.</p></div>\",\"PeriodicalId\":23983,\"journal\":{\"name\":\"Zeolites\",\"volume\":\"19 4\",\"pages\":\"Pages 259-261\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1997-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S0144-2449(97)00081-X\",\"citationCount\":\"8\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Zeolites\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S014424499700081X\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Zeolites","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S014424499700081X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 8
摘要
对5 Na2O: 4 CaO: 9 Al2O3: 22 SiO2的玻璃在80 ~ 200℃的温度范围内，在1 kbar的压力下进行水热处理，形成具有正交对称的沸石矿物gonnarite (NAT) (a = 13.35 Å， b = 13.35 Å， C = 6.65 Å)。在这些平衡条件下，矿物相的形成被限制在80 ~ 150℃的温度区间内。
The morphology of hydrothermally synthesized gonnardite
The hydrothermal treatment of glasses of the composition 5 Na2O : 4 CaO : 9 Al2O3 : 22 SiO2 at 1 kbar pressure in a temperature range between 80°C and 200°C leads to the formation of the zeolite mineral gonnardite (NAT) with orthorhombic symmetry (a = 13.35 Å, b = 13.35 Å, and c = 6.65 Å). The formation of the mineral phase under these equilibrium conditions is restricted to the temperature interval between 80°C and 150°C.
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