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| Description
| - An on-line multi-angle light scattering detector (MALS) coupled with size exclusion chromatography (SEC) has been used for the determination of molar mass and size distribution of alkyd resins. Molar mass distribution of alkyd resins is usually determined by SEC using calibration by polystyrene standards (PS). Since the molecules of alkyd resins are significantly more compact that those of linear polystyrene the molar mass determined by conventional SEC is incorrect. The correct molar mass can be obtained using an on-line MALS detector that eliminates the column calibration. In addition, it allows sample differentiation in respect to their degree of branching. t was found that highly branched alkyd molecules have abnormal elution behavior.
- An on-line multi-angle light scattering detector (MALS) coupled with size exclusion chromatography (SEC) has been used for the determination of molar mass and size distribution of alkyd resins. Molar mass distribution of alkyd resins is usually determined by SEC using calibration by polystyrene standards (PS). Since the molecules of alkyd resins are significantly more compact that those of linear polystyrene the molar mass determined by conventional SEC is incorrect. The correct molar mass can be obtained using an on-line MALS detector that eliminates the column calibration. In addition, it allows sample differentiation in respect to their degree of branching. t was found that highly branched alkyd molecules have abnormal elution behavior. (en)
- Víceúhlový rozptylový detektor (MALS) spojený s gelovou permeační chromatografií (GPC) byl použit pro stanovení distribuce molární hmotnosti a velikosti alkydových pryskyřic. Distribuce molární hmotnosti alkydů je zpravidla stanovována pomocí GPC s kalibrací na polystyrenové standardy. Jelikož molekuly alkydu jsou podstatně kompaktnější než molekuly polystyrenu, molární hmotnost alkydu stanovena pomocí GPC je nesprávná. Správná molární hmotnost může být stanovena pomocí MALS detektoru, který zároveň umožňuje charakterizaci větvení. Dále bylo zjištěno, že vysoce větvené alkydové pryskyřice vykazují v GPC abnormální eluční chování. (cs)
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| Title
| - Charakterizace alkydových pryskyřic gelovou permeační chromatografií spojenou s víceúhlovým rozptylovým fotometrem (cs)
- Characterization of alkyd resins by size exclusion chromatography coupled with a multi-angle light scattering photometer
- Characterization of alkyd resins by size exclusion chromatography coupled with a multi-angle light scattering photometer (en)
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| skos:prefLabel
| - Charakterizace alkydových pryskyřic gelovou permeační chromatografií spojenou s víceúhlovým rozptylovým fotometrem (cs)
- Characterization of alkyd resins by size exclusion chromatography coupled with a multi-angle light scattering photometer
- Characterization of alkyd resins by size exclusion chromatography coupled with a multi-angle light scattering photometer (en)
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| skos:notation
| - RIV/46504711:_____/06:#0000161!RIV09-MPO-46504711
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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/46504711:_____/06:#0000161
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - alkyd resin,size exclusion chromatography,multi-angle light scattering, molar mass, branching (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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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
| - Podzimek, Štěpán
- Lebduška, Jan
- Varečková, Daniela
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| number of pages
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