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Pyrolysis study of hydrophobic tholins By TG-MS, TG, DTA and DSC methods

Journal of Thermal Analysis and Calorimetry, 2012
This study presents the thermogravimetry (TG) of hydrophobic tholins, obtained from different simulation experiments of prebiotic synthesis carried out in a CH4/N2/H2 atmosphere with spark discharge activation of aqueous aerosols and liquid water. Differential thermal analysis and differential scanning calorimetry were also used to evaluate the thermal
José L. de la Fuente   +3 more
openaire   +1 more source

Kinetic study of solid-solid reactions by DTA method (BaCl2 - KNO3 system)

Thermochimica Acta, 1988
Abstract The kinetic io parameters of the reaction BaCl 2 +2KNO 3 → Ba(NO 3 ) 2 + 2KCl have been evaluated by the DTA method. The crystalline phases of the reaction mixture have been identified using the X-Ray diffraction method.
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ChemInform Abstract: DTA as a Method of Studying Chemical Reactions at High Pressures.

ChemInform, 1987
AbstractTwo DTA techniques which allow to study chemical reactions under high pressure in situ are described.
V. V. AVDEEV, V. Z. MORDKOVICH
openaire   +1 more source

Quantitative Phase Analysis in the System CaSO4.xH2O by TG-DTA Methods

1980
The quantitative determination of different components in the system CaSO4.xH2O is necessary for the production and application of technical plaster qualities. Applying the common method this analysis needs four divergently prepared samples and a period of about 200 hours. Using a simultaneous TG-DTA apparatus with water vapour atmosphere on the sample,
Winfried Hädrich, Erwin Kaisersberger
openaire   +1 more source

Thermal characterization of HCN polymers by TG–MS, TG, DTA and DSC methods

Polymer Degradation and Stability, 2011
Abstract This paper presents a thermogravimetry (TG) study of hydrogen cyanide polymers, synthesized from the reaction of equimolar aqueous solutions of sodium cyanide and ammonium chloride. Differential thermal analysis (DTA) and differential scanning calorimetry (DSC) were also used to evaluate the thermal behaviour of these black polymers, which ...
José L. de la Fuente   +3 more
openaire   +1 more source

Interaction analysis of systems involving refractory compounds by means of DTA method

Thermochimica Acta, 1985
Using DTA and other methods, the study on interaction of silicon nitride with nitrides of titanium, vanadium and zirconium carbide was carried out. The typical features of such interactions are the effect of Si3N4 dissociation stability and the formation of transient metals'-silicides.
openaire   +1 more source

High-pressure DTA method for clay analysis

1990
A technique for differential thermal analysis at pressures up to 10 kbar and temperatures to 950°C in both open and closed systems is presented. Adding a pressure dimension to conventional differential thermal analysis expands the range and type of potential studies significantly.
openaire   +1 more source

A New Isothermal DTA Method for the Study of Surfactants at Liquid Surfaces

1980
A new isothermal DTA method for the detection and study of surfactants at the liquid/vapour interface is presented, In this method a certain mass of liquid is slightly superheated above its boiling point in two identical vessels by a constant heat input.
H. K. Cammenga, H.-J. Petrick
openaire   +1 more source

A study of polypyromellitimide fibres by the DTA method

Fibre Chemistry, 1983
A. T. Kalashnik   +6 more
openaire   +1 more source

Magnetic resonance linear accelerator technology and adaptive radiation therapy: An overview for clinicians

Ca-A Cancer Journal for Clinicians, 2022
William A Hal, X Allen Li, Daniel A Low
exaly  

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