About: A New Method for Low-Temperature Decomposition of Chromites and Dichromium Trioxide using Bromic Acid Evaluated by Chromium Isotope Measurements

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About: A New Method for Low-Temperature Decomposition of Chromites and Dichromium Trioxide using Bromic Acid Evaluated by Chromium Isotope Measurements Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In recent years, routine application of the stable isotope determination of chromium (Cr) in environmental and health protection research has led to the search for simpler chromite decomposition techniques. As the range of Cr isotope abundance ratios in nature is very narrow, conventional chromite decomposition techniques are no longer suitable, due to the relatively high risk of contamination during laboratory procedures. We have developed a protocol for the decomposition of chromites based on oxidation by bromic acid at room temperature. The procedure takes 15 d and requires two doses of bromic acid during the reaction period (day 1 and 8), due to the limited stability of the reagent. Chromium extracted by alkaline oxidative fusion and by bromic acid decomposition yielded statistically indistinguishable δ53Cr values, measured by multi-collector inductively coupled plasma-mass spectrometry following addition of a 50Cr-54Cr double-spike. In recent years, routine application of the stable isotope determination of chromium (Cr) in environmental and health protection research has led to the search for simpler chromite decomposition techniques. As the range of Cr isotope abundance ratios in nature is very narrow, conventional chromite decomposition techniques are no longer suitable, due to the relatively high risk of contamination during laboratory procedures. We have developed a protocol for the decomposition of chromites based on oxidation by bromic acid at room temperature. The procedure takes 15 d and requires two doses of bromic acid during the reaction period (day 1 and 8), due to the limited stability of the reagent. Chromium extracted by alkaline oxidative fusion and by bromic acid decomposition yielded statistically indistinguishable δ53Cr values, measured by multi-collector inductively coupled plasma-mass spectrometry following addition of a 50Cr-54Cr double-spike. (en)
Title	A New Method for Low-Temperature Decomposition of Chromites and Dichromium Trioxide using Bromic Acid Evaluated by Chromium Isotope Measurements A New Method for Low-Temperature Decomposition of Chromites and Dichromium Trioxide using Bromic Acid Evaluated by Chromium Isotope Measurements (en)
skos:prefLabel	A New Method for Low-Temperature Decomposition of Chromites and Dichromium Trioxide using Bromic Acid Evaluated by Chromium Isotope Measurements A New Method for Low-Temperature Decomposition of Chromites and Dichromium Trioxide using Bromic Acid Evaluated by Chromium Isotope Measurements (en)
skos:notation	RIV/67985831:_____/14:00427709!RIV15-AV0-67985831
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(TA01021055)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Rohovec, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Geologický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	911
http://linked.open...ai/riv/idVysledku	RIV/67985831:_____/14:00427709
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	chromites; dichromium trioxide; decomposition; chromium isotopes; bromic acid (en)
http://linked.open.../riv/klicoveSlovo	decomposition chromites bromic acid chromium isotopes dichromium trioxide
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[828E3944EB03]
http://linked.open...i/riv/nazevZdroje	Geostandards and Geoanalytical Research
http://linked.open...in/vavai/riv/obor	DD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Chromium isotopes as an indicator of natural attenuation of water pollution: Introducing mass-spectrometry based technology
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	38
http://linked.open...iv/tvurceVysledku	Chrastný, V. Novák, M. Rohovec, Jan Čadková, E. Farkaš, J. Pašava, J.
http://linked.open...ain/vavai/riv/wos	000331465800008
issn	1639-4488
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1111/j.1751-908X.2013.00229.x

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