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Spiral vacuum microbalance for studies of reaction kinetics in gas-solid systems

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Abstract

The spiral vacuum microbalance for studies of the kinetics of mass changes of solids at high temperatures is described. Some novel improvements ensure high sensitivity of the balance and stability of temperature and pressure. Results of studies on the kinetics of the oxidation of copper carried out at 1000‡ prove the suitability of this balance in the investigation of kinetics of heterogenous reactions.

Résumé

On décrit une microbalance spirale à ressort fonctionnant sous vide servant aux examinations des cinétiques de changement de masse des corps solides aux hautes températures. Certains perfectionnements nouveaux procurent une grande sensibilité et une stabilité de la température et de la pression. Les résultats de l'étude de la cinétique de l'oxydation de cuivre à 1000‡ prouve l'utilité de cette balance dans le cas des réactions hétérogènes.

Zusammenfassung

Es wurde eine Spiralvakuumwaage zur Untersuchung der Kinetik von GewichtsÄnderungen fester Stoffe bei hohen Temperaturen beschrieben. Verbesserungen versichern hohe Empfindlichkeit und Temperatur- und DruckstabilitÄt. Kinetische Untersuchungen der Kupferoxydation bei 1000‡ bewiesen die Brauchbarkeit der Waage zum kinetischen Studium von heterogenen VorgÄngen.

РЕжУМЕ

ОпИсАНы спИРАльНО-ВА кУУМНыЕ МИкРОВЕсы Дл ь ИжУЧЕНИь кИНЕтИкИ Иж МЕНЕНИь МАссы пРИ ВысОкОИ тЕМ пЕРАтУРЕ. НЕкОтОРыЕ УсОВЕРшЕНстВОВАНИь ОБЕспЕЧИВАУт ВысОкУ У ЧУВстВИтЕльНОсть ВЕ сОВ И стАБИльНОсть тЕ МпЕРАтУРы И ДАВлЕНИь. РЕжУльтАты ИжУЧЕНИь кИНЕтИкИ ОкИслЕНИь М ЕДИ пРИ тЕМпЕРАтУРЕ 1000‡с пОкАжАлИ пРИМЕНИМОсть ЁтИх ВЕ сОВ пРИ ИсслЕДОВАНИИ кИНЕтИ кИ гЕтЕРОгЕННых РЕАк цИИ.

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Authors and Affiliations

  1. School of Mining and Metallurgy, Institute of Solid State Chemistry, Cracow, Poland

    S. Mrowec & A. Stokłosa

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  1. S. Mrowec
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  2. A. Stokłosa
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Mrowec, S., Stokłosa, A. Spiral vacuum microbalance for studies of reaction kinetics in gas-solid systems. Journal of Thermal Analysis 2, 75–81 (1970). https://doi.org/10.1007/BF01911707

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  • DOI: https://doi.org/10.1007/BF01911707

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