Results 11 to 20 of about 32,076 (138)

Near-infrared spectra of aqueous glucose solutions

open access: yes, 2022
Infrared spectroscopy is widely utilized in the scientific community for chemical characterization of materials. Near-infrared spectroscopy relies on spectral measurements between 900 and 2,500 nm.
Lee, Tse-Ang   +2 more
core   +1 more source

Kinetics of absorption of carbon dioxide in aqueous piperazine solutions [PDF]

open access: yes, 2006
In the present work the absorption of carbon dioxide into aqueous piperazine (PZ) solutions has been studied in a stirred cell, at low to moderate temperatures, piperazine concentrations ranging from 0.6 to 1.5 kmol m- 3, and carbon dioxide pressures up ...
Versteeg, G. F.,   +12 more
core   +1 more source

Non-aqueous electrolyte solutions in chemistry and modern technology [PDF]

open access: yes, 1983
In this paper a brief survey is given of the properties of non-aqueous electrolyte solutions and their applications in chemistry and technology without going into the details of theory.
Rudolf Wachter   +7 more
core   +1 more source

Removal of Methyl Violet from Aqueous solutions using Sr2ANbO5.5 (A= Ca+2, Sr+2 & Ba+2)

open access: yes, 2021
Three members of the A- site doped Nb perovskites with general formula Sr2CaNbO5.5, Sr3NbO5.5 and BaSr2NbO5.5 were synthesised by solid-state methods and their removal efficiency of Methyl violet from aqueous solutions investigated. The X-ray diffraction
E. Sweesi, Miloud   +7 more
core   +1 more source

Removal of mercury (II) from aqueous solution by using rice residues [PDF]

open access: yes, 2013
Sorption potential of rice residues for Hg(II) removal from aqueous solution was investigated. Rice husk (RH) and rice straw (RS) were selected and treated with sodium hydroxide (NaOH).
Saman, N.   +3 more
core   +1 more source

Sonolysis of levodopa and paracetamol in aqueous solutions. [PDF]

open access: yes, 2009
Pharmaceutical products are often present in wastewater treatment effluents, rivers, lakes and, more rarely, in groundwater. The advanced oxidation methods, like ultrasound, find a promising future in the area of wastewater treatment.
Quesada-Peñate, Isariebel   +4 more
core   +1 more source

1-Butanol Separation from Aqueous Acetone-Butanol-Ethanol (ABE) Solutions by Freeze Concentration

open access: yes, 2023
The suspension freeze crystallization of aqueous 1-butanol solutions, synthetic acetone-butanol-ethanol (ABE) solutions, and ABE fermentation broth was studied as a novel concentration method that requires less energy than evaporation for water removal ...
Louhi-Kultanen, Marjatta,   +7 more
core   +1 more source

Concentration of Aqueous Solutions by Freeze Crystallization in Biorefinery Applications

open access: yes, 2023
Freeze crystallization (FC) is a melt crystallization method, defined as water removal based on ice formation and its separation from aqueous solutions at or slightly below the freezing point of the solution.
Osmanbegovic, Nahla
core   +1 more source

A New Viscosity Equation For Bin Aqueous Solutions. [PDF]

open access: yes, 2004
An equation for the viscosity of binary aqueous solutions has been derived based on the Power law equation and Erying's absolute rate theory. The concentration dependent equation for viscosities of binary aqueous systems is derived using additive ...
Tan, C. S.   +5 more
core  

Degradation of diisopropyl methylphosphonate in aqueous solutions by ultrasonic irradiation combined with oxidation process

open access: yes, 2023
The degradation of diisopropyl methylphosphonate (DIMP) in aqueous solutions was studied using ultrasound irradiation with a fixed frequency of 26.2 kHz, following the first-order kinetic model.
Muslim Hasan Allawi   +6 more
core   +1 more source

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