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Reaction Kinetics, Mechanisms and Catalysis
Authors:
Viorel Chihaia
,
Karl Sohlberg
,
M. Scurtu
,
S. Mihaiu
,
M. Caldararu
, and
M. Zaharescu

.0 program, an improved variant of the XRAY 1.0 program [ 18 ]. The surface area was determined by BET method The variation of AC electrical conductance G (nS) with temperature/atmosphere was measured in situ at 1592 Hz on catalyst

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examined using a JEOL-JEM 1220EX (Tokyo, Japan) scanning electron microscope (SEM). Quantachrome Nova 2200e Brunauer–Emmett–Teller (BET) apparatus was used for specific surface area. Fourier transform infrared (FTIR) spectra of the imprinted p

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Journal of Thermal Analysis and Calorimetry
Authors:
Mphilisi M. Mahlambi
,
Ajay K. Mishra
,
Shivani B. Mishra
,
Rui W. Krause
,
Bhekie B. Mamba
, and
Ashok M. Raichur

the diffracting angle. The JCPDS XRD library software was used to confirm the Miller planes of the titania nanoparticles. BET surface area analysis To study the surface area of the synthesized nanoparticles

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motive antecedents of four gambling activities: Slot machines, skilled card games, sports betting, and promotional games Journal of Consumer Marketing 26 2 121 131

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Reaction Kinetics, Mechanisms and Catalysis
Authors:
Ekkachai Kanchanatip
,
Nurak Grisdanurak
,
Raumporn Thongruang
, and
Arthit Neramittagapong

. The Brunauer–Emmett–Teller (BET) surface area was measured by an AUTOSORB-1 analyzer. The optical property of the VT and CVT photocatalysts was studied by a UV–diffuse reflectance absorption spectrometer (Hitachi model U3501). The excited electron

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characterization techniques such as the X-ray analysis (XRD), ICP-AES, EDAX, Brunauer–Emmett–Teller (BET), Thermogravimetric/Differential Thermal Analysis (TGA/DTA), while catalytic evaluation for soot oxidation was performed using the TGA method. The results

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Reaction Kinetics, Mechanisms and Catalysis
Authors:
Viorel Chihaia
,
Karl Sohlberg
,
Rodica Zăvoianu
,
Anca Cruceanu
,
Octavian Dumitru Pavel
,
Emilian Angelescu
,
Ana Paula Soares Dias
, and
Ruxandra Bîrjega

-chemical properties of the prepared solids were determined by chemical and TG-DTA analyses, XRD, BET, SEM–EDS, FTIR, DR-UV–Vis and Raman spectroscopy. The metal content in the samples was determined by atomic absorption spectrometry (AAS) using a VARIAN AAS

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Abstract  

In order to obtain the exact information of atomic number density in UO2(NO3)2 · 6H2O–HNO3–H2O ternary mixture, the theoretical estimation of excess volume which is one of excess properties of non-ideal solution is discussed in this study. The calculation model based on the Stokes-Robinson application of the Brunauer-Emmett-Teller (BET) adsorption isotherm and activity equations of water nitric acid, and uranyl nitrate hexahydrate (UNH) which were used to calculate distribution coefficients in a solvent extraction system has one adjustable parameter and two BET constants. The BET constants have been determined by asymptotic method on the BET adsorption isotherm as a function of water activity in the ternary system. As results of the study, the observed volume of mixture agrees with the volume predicted by the simulation within a maximum relative deviation of 0.78% and the excess volume is also estimated as a function of total molality.

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Abstract  

Adsorption of CsOH has been studied for 18 samples of porous glasses prepared from different raw glass materials by means of different thermal and chemical treatment. For all the samples studied and for 3 samples of chromatographic silica gels the adsorption capacity in relation to CsOH is proportional to the BET surface area and equals 4 mol of cesium per 1 m2 of BET surface.

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Abstract  

A series of controlled pore glasses (CPG) was made from the same raw glass by means of different chemical and thermal treatments. BET specific area, selectivity of cesium adsorption in relation to sodium, ionosorption capacity under dynamic conditions of these CPG were measured and potentiometric titrations carried out. 0 vs. pH curves show i.e.p. and c.i.p. values similar to those for silica. KOH treatment leads to increase of BET specific surface but ionosorption capacity is decreased.

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