About: Potentiometric Study of Holmium Complexes with EDTMP     Goto   Sponge   NotDistinct   Permalink

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Description
  • Within the study of 166Ho-complexes as potential radiopharmaceutical agents, stability constantsof those with EDTMP (ethylenediamine-N,N,N´,N´-tetra(methylenephosphonate)) werecalculated by the computer program LETAGROP Etitr using data from potentiometric titrationsmeasured at 25 °C in 0.1 M NaCl. The following values were obtained for stability constantsof Ho-EDTMP complexes Ho(OH)L6#, HoL5#, HHoL4#, H2HoL3#, H3HoL2# and H4HoL#:log = 9.31, 20.22, 28.14, 34.55, 39.89, 45.05, respectively. Diagram of the complex speciationdependence on pH shows that complex forms HHoL4#and H2HoL3# are characteristic ofthe pH range 6#8, which is adequate for their application into the human body.
  • Within the study of 166Ho-complexes as potential radiopharmaceutical agents, stability constantsof those with EDTMP (ethylenediamine-N,N,N´,N´-tetra(methylenephosphonate)) werecalculated by the computer program LETAGROP Etitr using data from potentiometric titrationsmeasured at 25 °C in 0.1 M NaCl. The following values were obtained for stability constantsof Ho-EDTMP complexes Ho(OH)L6#, HoL5#, HHoL4#, H2HoL3#, H3HoL2# and H4HoL#:log = 9.31, 20.22, 28.14, 34.55, 39.89, 45.05, respectively. Diagram of the complex speciationdependence on pH shows that complex forms HHoL4#and H2HoL3# are characteristic ofthe pH range 6#8, which is adequate for their application into the human body. (en)
  • Potenciometrickými metodami byla sledována tvorba protonizace kyseliny (ethylenediamine-N,N,N',N'-tetra(methylenfosforečné), EDTPM a tvorba komplexů této kyseliny s Ho3+. Bylo zjištěno, že tato kyselina tvoří s Ho3+ komplexy o složení Ho(OH)L6-, HoL5-, HHoL4 , H2HoL3-, H3HoL2- a H4HoL-, kde L8- je anion EDTMP. Byly stanoveny protonizační konstanty EDTMP (b1 až b6) a konstanty stability nalezených komplexů HopHqL. (cs)
Title
  • Potenciometrické studium tvorby komplexů holmia s EDTMP (cs)
  • Potentiometric Study of Holmium Complexes with EDTMP
  • Potentiometric Study of Holmium Complexes with EDTMP (en)
skos:prefLabel
  • Potenciometrické studium tvorby komplexů holmia s EDTMP (cs)
  • Potentiometric Study of Holmium Complexes with EDTMP
  • Potentiometric Study of Holmium Complexes with EDTMP (en)
skos:notation
  • RIV/60461373:22340/04:00011021!RIV/2005/MSM/223405/N
http://linked.open.../vavai/riv/strany
  • 633-637
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 223400008)
http://linked.open...iv/cisloPeriodika
  • 4
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
  • 580771
http://linked.open...ai/riv/idVysledku
  • RIV/60461373:22340/04:00011021
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Holmium;EDTMP (ethylenediamine-N,N,N´;N´-tetra(methylenephosphonate);potentiometry (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • HR - Chorvatská republika
http://linked.open...ontrolniKodProRIV
  • [B7282B0FD275]
http://linked.open...i/riv/nazevZdroje
  • Croatica Chemica Acta
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 77
http://linked.open...iv/tvurceVysledku
  • Vaňura, Petr
  • Křížová, Věra
  • Ernestová, Milena
http://linked.open...n/vavai/riv/zamer
issn
  • 0011-1643
number of pages
http://localhost/t...ganizacniJednotka
  • 22340
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