Results 11 to 20 of about 7,450 (256)

Ce promoted Cu/γ-Al2O3 catalysts for the enhanced selectivity of 1,2-propanediol from catalytic hydrogenolysis of glucose

open access: yesCatalysis Communications, 2022
Ce promoted Cu/γ-Al2O3 catalysts were prepared with varying amounts of Cu (x = 0–10 wt%) and Ce (y = 0–15 wt%). The prepared catalysts were characterized and tested for the conversion of aqueous glucose (5 wt%) to 1,2-propanediol in a batch reactor.
Arun Arunima Balachandran Kirali   +2 more
doaj   +1 more source

Ultrasonic and volumetric behaviour of glycols with sodium ethylparaben in aqueous medium from T = 293.15 to 308.15 K at atmospheric pressure

open access: yesResults in Chemistry, 2020
Volumetric and acoustic analysis is set in motion to inspect the sodium ethylparaben interaction with ethylene glycol, and propylene glycol as a function of temperature. The estimation of apparent molar volume and apparent molar isentropic compression of
Ashima, K.C. Juglan, Harsh Kumar
doaj   +1 more source

FORMULATION AND STABILITY OF HEPTAMINOL SUPPOSITORIES [PDF]

open access: yesBulletin of Pharmaceutical Sciences. Assiut University, 1984
The chemical stability of Heptaminol Base and of Heptaminol Hydrochloride was determined after shelf-life storage in an aqueous solution at room temperature. Under these conditions, the Base was found about 10.54 times more stable than the hydrochloride.
S. Ali, M. El-Miligi, A. Kassem
doaj   +1 more source

Suitability of different supported Ru, Pt and Ni catalysts for the hydrogenolysis of sorbitol

open access: yesResults in Engineering, 2022
In this article, the results of sorbitol hydrogenolysis (15% aq. solution), done in an autoclave reactor, over Ru, Pt and Ni loaded on SBA15, carbon coated SBA15 (SBA15C), activated carbon (AcC), Na–Y, Fly Ash (FA) and hydroxyapatite (HAP) catalysts by ...
Thirunavukkarasu Kandasamy   +3 more
doaj   +1 more source

Relationship between Friction Coefficient, Viscosity and Compressibility of Polyethylene Glycol

open access: yesTribology Online, 2008
An ultrasonic liquid processor with the frequency of 20 kHz was used to cleave a principal chain in a polyethylene glycol molecule. The amount of the lubricant molecules cleaved by the ultrasonic disruption was evaluated by the kinematic viscosity ...
Kazuaki Hachiya, Tatsuya Nitta
doaj   +1 more source

Ethylene glycol poisoning [PDF]

open access: yesMedical Journal Armed Forces India, 2015
Ethylene glycol (EG) is a common constituent of anti-freeze, coolants and other solvents and is responsible for both inadvertent and intentional poisoning.1 Ethylene glycol poisoning may pose diagnostic difficulties if the history of ingestion is not volunteered, or if the presentation is delayed. The toxicity is because of biochemical features of high
I V, Nagesh   +4 more
openaire   +2 more sources

Case of Polyethylene Glycol Allergy Confirmed with Basophil Activation Test and Oral Challenge Successfully Immunized with SARS-CoV-2 Vaccine

open access: yesIranian Journal of Allergy, Asthma and Immunology, 2023
Polyethylene glycols (PEG) or macrogols are polymers of ethylene oxide widely used in drugs either as active substances or, more commonly, as excipients.
Maria Pasali   +4 more
doaj   +1 more source

Activity of Alkanediol Alkanoates against Pathogenic Plant Fungi and

open access: yesNatural Product Communications, 2012
Thirty known dialkanoates of ethylene, propylene and diethylene glycols were synthesized by reacting the glycols with acyl chlorides and their structures confirmed by IR, NMR and mass spectral analyses.
Paraj Shukla   +4 more
doaj   +1 more source

Ethylene Glycol and Metabolite Concentrations in Fatal Ethylene Glycol Poisonings [PDF]

open access: yesJournal of Analytical Toxicology, 2015
Ethylene glycol (EG) is used in antifreeze and other industrial products. It metabolizes to glycolic acid (GA) and oxalic acid (OX) that cause metabolic acidosis and are mainly responsible for the toxicity of EG. During 2010-2014, EG or GA was found in 25 postmortem cases in Finland.
Jenni, Viinamäki   +2 more
openaire   +2 more sources

Zeta Potential of Nanosilica in 50% Aqueous Ethylene Glycol and in 50% Aqueous Propylene Glycol

open access: yesMolecules, 2023
A sufficient amount of ionic surfactants may induce a zeta potential of silica particles dispersed in water–glycol mixtures of about 100 mV in absolute value.
Marek Kosmulski, Marta Kalbarczyk
doaj   +1 more source

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