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1.
公开(公告)号:EP0272904B1
公开(公告)日:1992-03-18
申请号:EP87311253.6
申请日:1987-12-21
IPC分类号: B01J20/10
CPC分类号: B01J20/103
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2.Process for porosity control and rehydroxylation of silica bodies 失效
标题翻译: Verfahren zurPorositätskontrolleund Rehydroxylierung vonKieselkörpern。公开(公告)号:EP0272904A2
公开(公告)日:1988-06-29
申请号:EP87311253.6
申请日:1987-12-21
IPC分类号: B01J20/10
CPC分类号: B01J20/103
摘要: The porosity of a porous silica body is increased in a controlled manner by contacting the body with an effective amount of ammonium bifluoride.
摘要翻译: 通过使本体与有效量的二氟化铵接触,以受控的方式增加多孔二氧化硅体的孔隙率。
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3.
公开(公告)号:EP0272904A3
公开(公告)日:1988-11-09
申请号:EP87311253
申请日:1987-12-21
IPC分类号: B01J20/10
CPC分类号: B01J20/103
摘要: The porosity of a porous silica body is increased in a controlled manner by contacting the body with an effective amount of ammonium bifluoride.
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公开(公告)号:EP0172730A2
公开(公告)日:1986-02-26
申请号:EP85305813.9
申请日:1985-08-15
发明人: Stout, Richard Wayne
CPC分类号: B01J20/3236 , B01J20/286 , B01J20/287 , B01J20/3257 , B01J39/26 , B01J41/20 , B01J2220/54 , Y10S435/803 , Y10T428/2993 , Y10T428/2995 , Y10T428/2996
摘要: Surface-stabilized porous silica having discontinuous metal oxide layer over the silica, chromatographic packings based on the metal-stabilized silica and processes for their preparation, are provided. The chromatographic packings so provided have increased life time.
摘要翻译: 提供了在二氧化硅上具有不连续的金属氧化物层的表面稳定的多孔二氧化硅,基于金属稳定的二氧化硅的色谱填料及其制备方法。 所提供的色谱填料具有延长的使用寿命。
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公开(公告)号:EP0172730B1
公开(公告)日:1988-12-07
申请号:EP85305813.9
申请日:1985-08-15
发明人: Stout, Richard Wayne
CPC分类号: B01J20/3236 , B01J20/286 , B01J20/287 , B01J20/3257 , B01J39/26 , B01J41/20 , B01J2220/54 , Y10S435/803 , Y10T428/2993 , Y10T428/2995 , Y10T428/2996
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公开(公告)号:EP0172730A3
公开(公告)日:1987-03-11
申请号:EP85305813
申请日:1985-08-15
发明人: Stout, Richard Wayne
CPC分类号: B01J20/3236 , B01J20/286 , B01J20/287 , B01J20/3257 , B01J39/26 , B01J41/20 , B01J2220/54 , Y10S435/803 , Y10T428/2993 , Y10T428/2995 , Y10T428/2996
摘要: Surface-stabilized porous silica having discontinuous metal oxide layer over the silica, chromatographic packings based on the metal-stabilized silica and processes for their preparation, are provided. The chromatographic packings so provided have increased life time.
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