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| Description
| - Five well and poor ordered kaolinites were studied to explore structural changes of kaolinite/formamide intercalates and de-intercalates. These materials were evaluated using the X-ray powder diffraction (XRPD) supplement with scanning electron microscope (SEM), measurement of specific surface area (SSA) and particle size distribution (PSD). The XRPD of de-intercalated kaolinites exhibit: (1) diffractions of 7 Å-kaolinite, some remaining 10 Å kaolinite/formamide complex and an additional 8.4 Å phase, (2) lower one-layer thickness of de-intercalated 7 Å-kaolinite than before formamide treatment, (3) changes in the (02, 11) diffraction band indicating structural disorder in the a, b plane. The chemical activation of kaolinites using formamide creates kaolinites with smaller and more homogenous particles and higher SSA than were observed in the original ones.
- Five well and poor ordered kaolinites were studied to explore structural changes of kaolinite/formamide intercalates and de-intercalates. These materials were evaluated using the X-ray powder diffraction (XRPD) supplement with scanning electron microscope (SEM), measurement of specific surface area (SSA) and particle size distribution (PSD). The XRPD of de-intercalated kaolinites exhibit: (1) diffractions of 7 Å-kaolinite, some remaining 10 Å kaolinite/formamide complex and an additional 8.4 Å phase, (2) lower one-layer thickness of de-intercalated 7 Å-kaolinite than before formamide treatment, (3) changes in the (02, 11) diffraction band indicating structural disorder in the a, b plane. The chemical activation of kaolinites using formamide creates kaolinites with smaller and more homogenous particles and higher SSA than were observed in the original ones. (en)
- Kaolinity s různou strukturní neuspořádanosti byly studovány po interkalaci a de-interkalaci formamidu. Připravené kaolinit/formamidové interkaláty a de-interkaláty byly hodnoceny rentgenovou práškovou difrakční (XRPD) analýzou a doplněny hodnotami z měření specifického povrchu (SSA) a údaji o distribuci velikosti částic (PSD). Tvar částic byl hodnocen pod elektronovým mikroskopem (SEM). XRPD analýza de-interkalovaných kaolinitů ukázala, že: (1) vedle 7 Å-kaolinitu jsou přítomny zbytek 10-Å kaolinit/formamidového interkalátu a nově vzniklá 8.4-Å fáze, (2) výška mezivrství u de-interkalovaného 7-Å kaolinitu je menší ve srovnání s původním kaolinitem, (3) změny v difrakčním pásu (02, 11) jsou výsledkem strukturní neuspořádanosti v horizontální rovině a, b. Aktivované kaolinity po de-interkalaci formamidu mají ve srovnání s původním kaolinitem jednodušší částice a větší specifický povrch. (cs)
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| Title
| - Chemically activated kaolinites after de-intercalation of formamide
- Chemically activated kaolinites after de-intercalation of formamide (en)
- Chemická aktivace kaolinitů po de-interkalaci formamidu z kaolint/formamidových interkalátů (cs)
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| skos:prefLabel
| - Chemically activated kaolinites after de-intercalation of formamide
- Chemically activated kaolinites after de-intercalation of formamide (en)
- Chemická aktivace kaolinitů po de-interkalaci formamidu z kaolint/formamidových interkalátů (cs)
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| skos:notation
| - RIV/61989100:27640/07:00015157!RIV08-GA0-27640___
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/61989100:27640/07:00015157
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Powders-chemical preparation; De-intercalation; X-ray diffraction; Kaolinite; Structural application (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Kratošová, Gabriela
- Matějka, Vlastimil
- Simha Martynková, Gražyna
- Valášková, Marta
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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