Detailní mechanistický model oscilačních reakcí zahrnujících peroxid vodíku, siřičitan a thiosíran

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F05%3A00014617" target="_blank" >RIV/60461373:22340/05:00014617 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Detailed mechanistic model of oscillatory reactions involving hydrogen peroxide, sulfite and thiosulfate

Popis výsledku v původním jazyce

A number of reaction systems that provide oscillatory and other complex dynamics in a flow-through reactor are based on oxidation of specific compounds of sulfur, such as sulfite and thiosulfate, by various oxidation agents. In our previous work we started examining mechanisms of oxidation of these compounds by hydrogen peroxide. Techniques used so far for the investigation of reaction kinetics, which involved mainly the use of a pH-meter, were extended by measurements of the time evolution of concentrations of major components with Attenuated Total Internal Reflectance Infrared Spectroscopy (FT-IR/ATR). These measurements provide valuable and rather detailed information on the time evolution of thiosulfate, sulfite, sulfate, tetrathionate, and trithionate. The underlying reaction mechanism leads to a mathematical model, which can be compared with measurements in many ways not feasible in earlier studies. We present preliminary results showing a very good agreement with experimentally

Název v anglickém jazyce

Detailed mechanistic model of oscillatory reactions involving hydrogen peroxide, sulfite and thiosulfate

Popis výsledku anglicky

A number of reaction systems that provide oscillatory and other complex dynamics in a flow-through reactor are based on oxidation of specific compounds of sulfur, such as sulfite and thiosulfate, by various oxidation agents. In our previous work we started examining mechanisms of oxidation of these compounds by hydrogen peroxide. Techniques used so far for the investigation of reaction kinetics, which involved mainly the use of a pH-meter, were extended by measurements of the time evolution of concentrations of major components with Attenuated Total Internal Reflectance Infrared Spectroscopy (FT-IR/ATR). These measurements provide valuable and rather detailed information on the time evolution of thiosulfate, sulfite, sulfate, tetrathionate, and trithionate. The underlying reaction mechanism leads to a mathematical model, which can be compared with measurements in many ways not feasible in earlier studies. We present preliminary results showing a very good agreement with experimentally

Druh

A - Audiovizuální tvorba

CEP obor

CB - Analytická chemie, separace

OECD FORD obor

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Projekt

<a href="/cs/project/GP203%2F02%2FD051" target="_blank" >GP203/02/D051: Kvantitativní studium excitability v chemických a biochemických systémech s přenosem hmoty</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2005

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

ISBN

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Místo vydání

Bratislava

Název nakladatele resp. objednatele

Slovak Society of Chemical Engineering

Verze

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Identifikační číslo nosiče

1