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Über die Umsetzung von Calciumoxid mit nitrosen Gasen

✍ Scribed by G. Gut; M. J. Abd-Ellatif; A. Guyer

Publisher
John Wiley and Sons
Year
1962
Tongue
German
Weight
655 KB
Volume
45
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Kinetic studies on the synthesis of calcium nitrate from calcium oxide and nitrous gases between 360 and 470°C have shown that this is a first order reaction in relation to the nitrogen dioxide concentration. From the temperature effect on the reaction rate constant k′, which follows the rule of Arrhenius, the activation energy has been determined. The progress of the reaction with time was measured with powders, grains of different sizes and tablets. The relation between combustion temperature, internal surface, reaction rate and degree of reaction has been clarified using quicklime calcined at different temperatures.

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latie 1 a n d , t?ber Additionsteaktionen mit nitrosen Basen. 7 I 2,5-Dibromthiophen. 42 g (= 2l1, Mol) Acetbromamid wnrden nnter den gleichen .Bedingongen wie beim Monobromthiophen persuch 2) zii 10 g Thiophen gegeben. Nach volliger Zngabe wnrde noch 6 Stnnden stehen gelassen und d a m wie frtiher