Results 21 to 30 of about 570,264 (335)
Solubility improvement of progesterone from solid dispersions prepared by solvent evaporation and co-milling [PDF]
, 2020 The aim of this contribution was to evaluate the impact of processing methods and polymeric carriers on the physicochemical properties of solid dispersions of the poorly soluble drug progesterone (PG). Five polymers: hydroxypropyl methylcellulose (HPMC),
Al-Obaidi, Hisham +3 more
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FTIR study of hydrotalcite [PDF]
Acta Chimica Slovaca, 2018 Abstract The aim of the research was the study of aluminium-magnesium hydrotalcite by FTIR analysis and detection of differences in structure due to calcination. Three types of samples were analysed. In the first two samples, cobalt was added into the structure and the third sample contained nickel and zinc.
Jozef Mikulec +4 more
openaire +2 more sources
Heavy Metal Adsorption with Eggshell of Phasianus Colchicus
Süleyman Demirel Üniversitesi Fen-Edebiyat Fakültesi Fen Dergisi, 2022 Defining the adsorption behavior of common pheasant Phasianus Colchicus (PC) eggshells for some metal ions (Pb, Cu, Al, and Ag) is the subject of this study. In addition to that, these metals have also been chosen in many studies to prevent environmental
Belgin Tunalı +3 more
doaj +1 more source
The Thermal degradation of Bisphenol A Polycarbonate in Air [PDF]
, 2005 The thermal degradation of polycarbonate in air was studied as a function of mass loss using TGA/FTIR, GC/MS and LC/MS. In the main degradation region, 480–560 °C, the assigned structures of smaller molecules and linear molecules that evolved in air were
Jang, Bok Nam, Wilkie, Charles A.
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Acetylation of Raw Cotton for Oil Spill Cleanup Application: an FTIR and 13-C MAS NMR Spectroscopic Investigation [PDF]
, 2004 Fourier transform infrared (FTIR) and 13C MAS NMR spectroscopy have been used to investigate the acetylation of raw cotton samples with acetic anhydride without solvents in the presence of different amounts of 4-dimethylaminopyridine (DMAP) catalyst ...
Adebajo, Moses, Frost, Raymond
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CO₂ gasification of bio-char derived from conventional and microwave pyrolysis [PDF]
, 2015 Thermal-chemical processing of biomass is expected to provide renewable and clean energy and fuels in the future. Due to the nature of endothermic reactions, microwave and conventional heating have been applied to this technology.
Antal +37 more
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Meikuang Anquan, 2023 In order to explore the change characteristics of organic group chemical structure of coal after liquid CO2 leaching and acidification, liquid CO2 leaching and acidification coal sample experiments were carried out on anthracite at 25 ℃ and 3 MPa.
Tingfang LIU +4 more
doaj +1 more source
FTIR and XPS studies on corrosion resistant SiO2 coatings as a function of the humidity during deposition [PDF]
, 1996 The degradation of SiO2 coatings deposited on alloys by metal organic chemical vapour deposition (MOCVD) in sulphidizing high-temperature environments is determined by delamination and crack formation.
Fransen, T. +4 more
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FTIR surface analysis for conservation [PDF]
Heritage Science, 2020 Abstract Several FTIR techniques are surface-sensitive. This sensitivity can be utilized to help with a wide range conservation issues. Examples from object degradation studies, conservation materials performance assessment and monitoring are presented.
David Thickett, Boris Pretzel
openaire +3 more sources
Physico-mechanical Properties of Naturally Dyed Jute-banana Hybrid Fabrics
Journal of Natural Fibers, 2022 Ligno-cellulosic natural fiber like Banana can be acclimated to manufacture hybrid or union fabric with mostly used jute fiber which can get colossal popularity as a wearable product because of the health and hygiene issues. Banana fibers, extracted from
Mohammad Naim Hassan +4 more
doaj +1 more source