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搜索结果: 1-4 共查到凹凸棒石 Fluorine相关记录4条 . 查询时间(0.046 秒)
Single-crystalX-raydiffractiondatahavebeenobtainedforcrystalsoftheFanalogof superhydrousphaseB,MgSi O F .Twinnedcrystalsweresynthesizedusingasplit- sphereanvilapparatus(USSA-2000)atpressuresbetween1...
High-resolution solid-state, fluorine-19, magic-angle spinning-nuclear magnetic resonance spectroscopy (MAS-NMR) was used to study natural and synthetic fluorinated 2:1 layer silicates of known compos...
Expandable fluorine micas were synthesized using talc and Na2SiF6 at 800亱C for 2 hours in air, nitrogen, argon, and under vacuum. Gaseous SiF4, generated from Na2SiF6, and the resultant amorphous sodi...
Abstract: Sepiolite from Vallecas-Vicálvaro, Spain, contains 1.3% fluorine. Laser microprobe mass spectrometry of this sepiolite suggests the presence of fragments of (SiO2)nOMgF and (SiO2)nOMgOH, whi...

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