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  • Vapour generation inductively coupled plasma optical emission spectrometry (VG-ICP-OES) was used for the determination of the iodine content in milk samples. Modified alkaline ashing of the milk sample was employed for the total digestion of organic matrix constituents. A mixture of potassium hydroxide (2 mL, 2 mol L-1 in ethanol) and calcium nitrate (2 mL, 0.4 mol L-1 in ethanol) was used in the digestion step as an ashing aid for 2 ml of milk sample (or 200 mg of milk powder). Sample ash was then treated with hydrochloric acid (1.5 mL, 5 mol L-1) and sodium sulfite (1.25 mL, 1 mol L-1) for the elimination of carbonates, which would otherwise cause spectral interference. The vapour of elemental iodine was generated by means of oxidation of iodide by hydrogen peroxide (1 mol L-1) in sulfuric acid (5 mol L-1). Using a gas phase separator, matrix elements were completely eliminated; thus the spectral interference of phosphorus (178.222 nm) was removed and the most intense analytical line of iodine (178.
  • Vapour generation inductively coupled plasma optical emission spectrometry (VG-ICP-OES) was used for the determination of the iodine content in milk samples. Modified alkaline ashing of the milk sample was employed for the total digestion of organic matrix constituents. A mixture of potassium hydroxide (2 mL, 2 mol L-1 in ethanol) and calcium nitrate (2 mL, 0.4 mol L-1 in ethanol) was used in the digestion step as an ashing aid for 2 ml of milk sample (or 200 mg of milk powder). Sample ash was then treated with hydrochloric acid (1.5 mL, 5 mol L-1) and sodium sulfite (1.25 mL, 1 mol L-1) for the elimination of carbonates, which would otherwise cause spectral interference. The vapour of elemental iodine was generated by means of oxidation of iodide by hydrogen peroxide (1 mol L-1) in sulfuric acid (5 mol L-1). Using a gas phase separator, matrix elements were completely eliminated; thus the spectral interference of phosphorus (178.222 nm) was removed and the most intense analytical line of iodine (178. (en)
Title
  • Vapour generation inductively coupled plasma optical emission spectrometry in determination of total iodine in milk
  • Vapour generation inductively coupled plasma optical emission spectrometry in determination of total iodine in milk (en)
skos:prefLabel
  • Vapour generation inductively coupled plasma optical emission spectrometry in determination of total iodine in milk
  • Vapour generation inductively coupled plasma optical emission spectrometry in determination of total iodine in milk (en)
skos:notation
  • RIV/00216224:14310/05:00012569!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GP203/03/D018), Z(MSM0021622411), Z(MSM0021622412)
http://linked.open...iv/cisloPeriodika
  • 9
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
  • 548498
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14310/05:00012569
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • ICP optical emission spectrometry; vapour generation; iodine; milk (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [63F99C16F750]
http://linked.open...i/riv/nazevZdroje
  • Journal of Analytical Atomic Spectrometry
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 20
http://linked.open...iv/tvurceVysledku
  • Kanický, Viktor
  • Otruba, Vítězslav
  • Machát, Jiří
  • Niedobová, Eva
http://linked.open...n/vavai/riv/zamer
issn
  • 0267-9477
number of pages
http://localhost/t...ganizacniJednotka
  • 14310
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