Ein neues Verfahren zur oxydimetrisehen Bestimmung von Dithionat

Lang, R.; Kürtenacker, H.

doi:10.1007/bf01467781

Cited by 9 publications

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“…(15) The factor a amounts to 10-ViV (IV = Avogadro's number) = 0.166 X 10 ~86, where dose rate E is in eV l.-1 sec-1 and concentrations in mol/1. There are various reaction steps which, together with step 10, could conceivably consume 02 by a chain mechanism, for instance1 2345 + 02 -H02 (11) H02 + S02 -> S03 + OH (12) OH + S02 -> HSOs ( 13)…”

Section: Resultsmentioning

confidence: 99%

Radiation-induced oxidation of liquid sulfur dioxide containing oxygen and water

Schoenherr¹,

Seidel²,

Rothschild³

1971

J. Phys. Chem.

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Section: Resultsmentioning

confidence: 99%

Radiation-induced oxidation of liquid sulfur dioxide containing oxygen and water

Schoenherr¹,

Seidel²,

Rothschild³

1971

J. Phys. Chem.

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Faradaic processes on activated carbon particles: Example of sulfite anodic oxidation

1998

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Activated carbon has often been reported as a suitable material for numerous applications e.g. energy storage, batteries and pollution control, due its high adsorption capacity allowed by its high surface area. Besides, activated carbon can also be used for the chemical transformation of matter through faradaic processes. This paper deals with the performance of activated carbon (AC) particles as an electrode material for the anodic oxidation of sulfite and bisulfite species into sulfate. The oxidation was carried out at the surface of a packed-bed of AC particles (volume 170 cm3); the main operating conditions, namely potential and solution pH were varied. The sulfate production was shown to be controlled by the electrode kinetics and the internal transfer in the carbon pores. Interactions between the capacitive phenomena, occurring in the electrical pretreatment, and the faradaic processes were discussed.Le charbon actif est souvent decrit c o m e un materiau bien adapte a de nombreuses applications, tels que le stockage d'energie, les batteries ou les procedes de depollution, qui font appel a sa grande capacite d'adsorption due a sa tres grande surface specifique. Hormis ces applications, ce materiau peut egalement &tre utilise pour la transformation chimique de la matiere par des processus faradiques. Nous avons etudie les performances d'une electrode constituee de particles de charbon actif dans le cas de I'oxydation anodique de sulfite et de bisulfite en sulfate. L'oxydation a ete menee sur la surface d'un lit fixe (volume de 170 cm3) de ces particules en faisant varier le potentiel applique et le pH de la solution.La conversion en sulfate est contrdee par la cinetique de transfert electronique et la difision interne dans les pores. Les interactions entre les phenomenes capacitifs se produisant pendant l'operation de pre-traitement de I'electrode et les processus faradiques font l'objet d'une discussion.

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Untersuchungen an Magnetogrammträgern. V. Über die Reduktion von Eisen(III)‐hydroxyden mit Amino‐imino‐methansulfinsäure

Ackermann

1958

J. Prakt. Chem.

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Es wird über Versuche zur Darstellung von Magnetiten durch Reduktion von Eisen(III)‐hydroxyden mittels Amino‐imino‐methansulfinsäure berichtet. Das wirksame Agens ist die Sulfoxylsäure, die beim Zerfall der Sulfinsäure in alkalischer Lösung ensteht. Durch elektronenmikroskopische Untersuchungen wird bewiesen, daß die Magnetitbildung über die Lösung geht, da unabhängig von der Art der Ausgangshydroxyde stets Magnetit‐Kuben gefunden werden.

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Ein neues Verfahren zur oxydimetrisehen Bestimmung von Dithionat

Cited by 9 publications

References 0 publications

Radiation-induced oxidation of liquid sulfur dioxide containing oxygen and water

Radiation-induced oxidation of liquid sulfur dioxide containing oxygen and water

Faradaic processes on activated carbon particles: Example of sulfite anodic oxidation

Untersuchungen an Magnetogrammträgern. V. Über die Reduktion von Eisen(III)‐hydroxyden mit Amino‐imino‐methansulfinsäure

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