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Determination of liquid vapour adsorption and desorption on and from solids by means of the derivatograph

Part I. Derivatograph for measurements of adsorption and desorption at a constant temperature

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Abstract

A modofied Q-1500 D derivatograph (MOM, Hungary) allowing measurements of sample weight changes at constant temperature is described. The sample weight changes measured were due to the adsorption and desorption of liquid vapour flowing in an inert gas stream through the measuring cell at constant temperature. This apparatus permits the utilization of thermal analysis for adsorption investigations.

Zusammenfassung

Es wird ein modifizierter Derivatograph vom Typ Q-1500 D (MOM, Ungarn) beschrieben, der die Messung von Veränderungen des Probengewichtes bei konstanter Temperatur ermöglicht. Die adsorption und Desorption einer bei konstanter Temperatur in einem inerten Gasstrom durch die Meßzelle strömenden gasförmigen Substanz wird durch Messung des Probengewichtes verfolgt. Eine Apparatur für thermische Analyse wird damit zu Adsorptionsuntersuchungen verwendet.

Резюме

Описан модифицирова нный дериватограф ти па Q-1500 Д (MOM, Венгрия), позволяющий проводи ть измерения изменен ий веса образца при постоянн ой температуре. За весовыми изменениям и следует адсорбция и десорбция паров, находящихса в п отоке инертного газа и пропускаемых ч ерез измерительную я чейку при постоянной темлерат уре. Аппаратура дает возможность исп ользовать метод терм ического анализа для исследов ания адсорбции.

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References

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Staszczuk, P. Determination of liquid vapour adsorption and desorption on and from solids by means of the derivatograph. Journal of Thermal Analysis 30, 1115–1119 (1985). https://doi.org/10.1007/BF02108542

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  • DOI: https://doi.org/10.1007/BF02108542

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