Chemical composition and bio-functional perspectives of Erica arborea L. extracts obtained by different extraction techniques: Innovative insights

2019 ◽  
Vol 142 ◽  
pp. 111843 ◽  
Author(s):  
Gokhan Zengin ◽  
Aleksandra Cvetanović ◽  
Uroš Gašić ◽  
Alena Stupar ◽  
Gizem Bulut ◽  
...  
2015 ◽  
Vol 812 ◽  
pp. 131-136
Author(s):  
Sundaram Kumar ◽  
Sam Agarwal ◽  
Keyna O'Reilly

Master alloys are used in the metals industry to control chemical composition and to help to achieve a particular microstructure or promote growth of desired phases. This study reports on making a Al3Nb containing aluminium (Al) - niobium (Nb) master alloy by solid-liquid reaction processing, where solid Nb particles are added to the liquid Al. Nb react with Al to form in-situ Al3Nb. The in-situ formed Al3Nb particles were facet and polygonal in shape. The three dimensional analysis revealed that the outer surface of the partially reacted Nb was covered with faceted Al3Nb particles. The different nature and morphologies of the in-situ phases that were produced were determined using SEM, EDX, XRD and extraction techniques. A mechanism for the observed microstructural difference is discussed.


2020 ◽  
Vol 146 ◽  
pp. 112202 ◽  
Author(s):  
Gokhan Zengin ◽  
Aleksandra Cvetanović ◽  
Uroš Gašić ◽  
Alena Stupar ◽  
Gizem Bulut ◽  
...  

2018 ◽  
Vol 10 (5) ◽  
pp. 916-920
Author(s):  
Ghazi Faisal Najmuldeen ◽  
Kamalanathan Narayanan ◽  
Deeveeya A/P Kirubananthan ◽  
Ghasak Ghazi Faisal

2009 ◽  
Vol 28 (2) ◽  
pp. 173 ◽  
Author(s):  
Nada Č. Nikolić ◽  
Suzana M. Cakić ◽  
Sanja M. Novaković ◽  
Mirjana D. Cvetković ◽  
Mihajlo Z. Stanković

This paper investigated the yield and chemical composition of soy seeds oils obtained by different solvents and by different extraction apparatuses with the aim to compare oils yield and composition. The maximal oil yield with trichloroethylene was achieved by the Soxhlet apparatus after 150 minutes of extraction (21.4 g/100 g) and very satisfactory yield of 20.4 g/100 g, with similar chemical composition, was achieved by reflux, only after 60 minutes. During the Tilepape extraction, the contact of oil with air was continuous and more intensive oxidation reactions occurred and γ-linolenic and linolenic acids were not detected. Between some oil fatty acids and some chemical values, the correlation coefficients were performed by the program STATISTICA version 5.0. The results showed a proper correlation between the iodine value and the oleic acid content as well as between the peroxide value and the linoleic acid content.


2014 ◽  
Vol 790-791 ◽  
pp. 515-515
Author(s):  
Sundaram Kumar ◽  
Sam Agarwal ◽  
Keyna O'Reilly

Master alloys are used in the metals industry to control chemical composition and to help to achieve a particular microstructure or promote growth of desired phases. This study reports on making a Al3Nb containing aluminium (Al) - niobium (Nb) master alloy by solid-liquid reaction processing, where solid Nb particles are added to the liquid Al. Nb react with Al to form in-situ Al3Nb. The in-situ formed Al3Nb particles were facet and polygonal in shape. The three dimensional analysis revealed that the outer surface of the partially reacted Nb was covered with faceted Al3Nb particles. The different nature and morphologies of the in-situ phases that were produced were determined using SEM, EDX, XRD and extraction techniques. A mechanism for the observed microstructural difference is discussed.


1962 ◽  
Vol 14 ◽  
pp. 149-155 ◽  
Author(s):  
E. L. Ruskol

The difference between average densities of the Moon and Earth was interpreted in the preceding report by Professor H. Urey as indicating a difference in their chemical composition. Therefore, Urey assumes the Moon's formation to have taken place far away from the Earth, under conditions differing substantially from the conditions of Earth's formation. In such a case, the Earth should have captured the Moon. As is admitted by Professor Urey himself, such a capture is a very improbable event. In addition, an assumption that the “lunar” dimensions were representative of protoplanetary bodies in the entire solar system encounters great difficulties.


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