Search Results

You are looking at 1 - 10 of 333 items for :

  • "Differential thermal analysis (DTA)" x
  • Refine by Access: All Content x
Clear All

—Chemical oxygen demand test [ 7 ]. The obtained value was COD = 19.1 mg/g. Differential thermal analysis (DTA) measurements were performed on DERIVATOGRAPH MOM Budapest equipped with the PC A-D data collection, using the heating rate of 10 °C/min. and the

Restricted access
Journal of Thermal Analysis and Calorimetry
Authors: Ronaldo S. Nunes, Gilbert Bannach, José M. Luiz, Flávio J. Caires, Claudio T. Carvalho, and Massao Ionashiro

Th(IV) and Al(III), with EDTA [ 2 , 3 ]. The works reported the synthesis and characterization of the compounds by means of thermogravimetry (TG), derivative thermogravimetry (DTG), differential thermal analysis (DTA), X-ray powder

Restricted access
Journal of Thermal Analysis and Calorimetry
Authors: Fillipe V. Rocha, Carolina V. Barra, Silmar J. S. Franchi, Adelino V. G. Netto, Antonio E. Mauro, and Regina C. G. Frem

], and biological activity of palladium(II) complexes [ 20 – 22 ], we present in this study the thermal investigation of tdmPz and compounds of the type [PdX 2 (tdmPz)] by means of thermogravimetry (TG) and differential thermal analysis (DTA

Restricted access
Journal of Thermal Analysis and Calorimetry
Authors: E. Schnitzler, G. Bannach, O. Treu-Filho, C. T. Carvalho, and M. Ionashiro

means of thermogravimetry, derivative thermogravimetry (TG/DTG), differential thermal analysis (DTA), X-ray powder diffractometry, and complexometry. Establishment of stoichiometry and the details of the thermal decomposition were the main purposes of

Restricted access

.15406 nm, at power of 1600 W (40 kV and 40 mA). The freshly as-prepared materials were grounded to formulate fine powder forms for differential thermal analysis (DTA) studies. The DTA measurements were carried out using Thermo-System of model: Mettler Hot

Restricted access
Journal of Thermal Analysis and Calorimetry
Authors: Cheila G. Mothé, Michelle G. Mothé, Alan T. Riga, and Kenneth S. Alexander

thermal analysis (DTA) to predict process condition, such as transdermal pathway for administration of drugs or it be used as model membranes for permeation studies. Figure 1 presents TG/DTG/DTA curves for Boelens Python (BP) snake skin. TG curve shows

Restricted access
Journal of Thermal Analysis and Calorimetry
Authors: Christoph Berthold, Volker Presser, Nadja Huber, and Klaus G. Nickel

Introduction Combining time and temperature resolved X-ray powder diffraction with differential thermal analysis (DTA) or differential scanning calorimetry (DSC) is a promising technique for a more detailed understanding of all

Restricted access

patrimonial objects made from leathers as well as the methods to put in evidence the impact of environmental factors on them. Among these techniques, the thermal analysis methods, especially thermogravimetry (TG), differential thermal analysis (DTA

Restricted access

, producing weight losses (water dehydration and dehydroxylation) at lower temperatures than in unground samples. They also reported that differential thermal analysis (DTA) endothermic effects were shifted to lower temperatures and further grinding produced a

Restricted access

New palladium(II) complexes with pyrazole ligands

Part I. Synthesis, spectral and thermal studies, and antitumor evaluation

Journal of Thermal Analysis and Calorimetry
Authors: Carolina V. Barra, Fillipe V. Rocha, Adelino V. G. Netto, B. Shimura, Regina C. G. Frem, Antonio E. Mauro, Iracilda Z. Carlos, Sandra R. Ananias, and Marcela B. Quilles

temperature on a Varian INOVA 500 spectrometer. Melting points were determined on an MAPFQ apparatus. Thermogravimetry (TG) and differential thermal analysis (DTA) were carried out using a TA Instruments model SDQ 600, under flow of dry synthetic air (50 mL

Restricted access