About: Preparation, solubility, infrared spectra and radiolysis of tetramethylammonium hydrogenselenate monohydrate and lithium tetramethylammonium selenate tetrahydrate     Goto   Sponge   NotDistinct   Permalink

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  • Solubility in the (Me4N)(2)SeO4-H2SeO4-H2O and (Me4N)(2)SeO4-Li2SeO4-H2O systems were studied. The new compounds, tetramethylammonium hydrogenselenate monohydrate ((Me4N)HSeO4 center dot H2O) and lithium tetramethylammonium selenate tetrahydrate (Li(Me4N)SeO4 center dot 4H(2)O), have been found in these systems. Both substances were characterised by chemical analysis and IR molecular spectroscopy. Both of the title substances decompose under the influence of X-radiation and, thus, their structures cannot be determined. The radiolysis of both substances was studied in greater detail. Tetramethylammonium hydrogenselenate monohydrate is dehydrated by X-radiation to form the anhydrous salt. The reaction is controlled by first-order kinetics with a rate constant of 1.30(3) x 10(-3) s(-1).
  • Solubility in the (Me4N)(2)SeO4-H2SeO4-H2O and (Me4N)(2)SeO4-Li2SeO4-H2O systems were studied. The new compounds, tetramethylammonium hydrogenselenate monohydrate ((Me4N)HSeO4 center dot H2O) and lithium tetramethylammonium selenate tetrahydrate (Li(Me4N)SeO4 center dot 4H(2)O), have been found in these systems. Both substances were characterised by chemical analysis and IR molecular spectroscopy. Both of the title substances decompose under the influence of X-radiation and, thus, their structures cannot be determined. The radiolysis of both substances was studied in greater detail. Tetramethylammonium hydrogenselenate monohydrate is dehydrated by X-radiation to form the anhydrous salt. The reaction is controlled by first-order kinetics with a rate constant of 1.30(3) x 10(-3) s(-1). (en)
  • Byla studována rozpustnost v ternárních systémech (Me4N)2SeO4–H2SeO4–H2O a (Me4N)2SeO4–Li2SeO4–H2O. V systémech byly nalezeny nové sloučeniny: monohydrát hydrogenselenanu tetramethylammoného a tetrahydrát selenanu lithno tetramethylammoného. Látky byly charakterizovány IR-spektroskopií. Obě látky se rozkládají působením rentgenového záření. Byla stanovena rychlostní konstanta rozkladu monohydrátu hydrogenselenanu tetramethylammoného. (cs)
Title
  • Preparation, solubility, infrared spectra and radiolysis of tetramethylammonium hydrogenselenate monohydrate and lithium tetramethylammonium selenate tetrahydrate
  • Příprava, rozpustnost, infračervená spektra a radiolýza monohydrátu hydrogenselenanu tetramethylammoného a tetrahydrátu selenanu lithno tetramethylammoného (cs)
  • Preparation, solubility, infrared spectra and radiolysis of tetramethylammonium hydrogenselenate monohydrate and lithium tetramethylammonium selenate tetrahydrate (en)
skos:prefLabel
  • Preparation, solubility, infrared spectra and radiolysis of tetramethylammonium hydrogenselenate monohydrate and lithium tetramethylammonium selenate tetrahydrate
  • Příprava, rozpustnost, infračervená spektra a radiolýza monohydrátu hydrogenselenanu tetramethylammoného a tetrahydrátu selenanu lithno tetramethylammoného (cs)
  • Preparation, solubility, infrared spectra and radiolysis of tetramethylammonium hydrogenselenate monohydrate and lithium tetramethylammonium selenate tetrahydrate (en)
skos:notation
  • RIV/61388980:_____/06:00050216!RIV07-AV0-61388980
http://linked.open.../vavai/riv/strany
  • 411;422
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z40320502)
http://linked.open...iv/cisloPeriodika
  • 3
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 494266
http://linked.open...ai/riv/idVysledku
  • RIV/61388980:_____/06:00050216
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • tetramethylammonium salts; hydrogenselenates; selenates (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [52A044CA586B]
http://linked.open...i/riv/nazevZdroje
  • Collection of Czechoslovak Chemical Communications
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 71
http://linked.open...iv/tvurceVysledku
  • Plocek, Jiří
  • Havlíček, D.
  • Mička, Z.
  • Turek, L.
http://linked.open...n/vavai/riv/zamer
issn
  • 0010-0765
number of pages
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