Liquids - Density
High-viscosity reference liquids at high pressures
... Liquid Selection Viscosity Measurements Complementary Measurements Surface Tension and Density Chemical Characterization Liquid Proposal Validation “Round-Robin” Studies. Internatio[r] ...
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Aqueous biphasic systems with ionic liquids
... 47 works are converging upon to the idea that interactions between the IL ions and the inorganic salt ions may be present, and are mainly responsible for the salting-in or salting- out phenomena 75, 76 . Salting-out ...
137
Viscosity measurements on Ionic liquids : a cautionary tale
... ionic liquids. It should further be noted that for ionic liquids the surface tension (actually more correctly the ratio of surface tension to density ( σ/ρ)) often departs dramatically from that of ...
21
Extraction and purification of theobromine using ionic liquids
... In general, non-aromatic ILs, such as those based on pyrrolidinium- and piperidinium, are more benign than compounds based on aromatic (imidazolium and pyridinium) cations [58]. Both anion and cation influence ILs’ ...
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Electrospinning of cellulose from ionic liquids solutions
... stiffness, density and resistance to traction, and amorphous areas with greater disorder and where the hydroxyl groups are more accessible, and thus reactions are easier to ...
137
Revisiting Heck-Mizoroki reactions in ionic liquids
... using density functional theory (DFT calculations) suggested that two Pd( II ) complexes involving Pd-N,N and Pd-N,O linkages are formed but only this last can act as a precatalyst, yielding the catalytically ...
20
Development of a solubility parameters scale for ionic liquids
... as density, viscosity, surface tension, heat capacity, thermal and electrochemical stability and solubility that allow the assessment of suitability from ILs to specific applications, as well as to design new ...
94
Interactions between ionic liquids and cell membrane models
... ionic liquids will assume the form of repulsive or attractive forces depending of both the distance between the charges and nature of the intervening ...electronic density and weakens the PO 2- group ( ...
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Protic Ionic Liquids for Biomass Processing
... Computational chemistry is a branch of chemistry that uses the principles of computer science in the determination of some properties to aid in the resolution of chemical problems. Some examples of properties determined ...
320
Thermophysical Properties of Ionic Liquids
... The electronic structure of gas-phase ion pairs was explored mainly by quantum-chemical calculations, through electronic wavefunction or density methods. 1,4,22 Nevertheless, different methods can produce very ...
370
Design of bio-inspired ionic liquids for protein stabilisation
... (4x). This 2 L culture was grown with shaking at 37 °C and 180 rpm until the optical density at 600 nm reached 0.8 (took 4 hours). Protein expression was then induced with 1 mM IPTG filter sterile. After 3h ...
181
Pre-treatment of lignocellulosic biomass with ionic liquids
... hydrolysis of cellulose-rich samples from methods A and B, regenerated material from method A, standard cellulose and native wheat straw... 1 Introduction.[r] ...
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Evaluation of solvents based on ionic liquids for deterpenation
... ionic liquids to use in this separation are the ones containing ammonium or guanidinium cations (selectivity higher than 145) in combination with carboxylate ...
66
Characterization of eutectic systems constituted by ionic liquids
... ionic liquids were submitted to differential scanning calorimetry (DSC) using a Q200 calorimeter (TA Instruments, New Castle, USA) for determining their melting temperature and melting enthalpy at ambient ...
110
Extraction of biorefinery platform materials using ionic liquids
... ionic liquids (ILs) have grown to be one of the most studied classes of solvents and are considered as valid potential substitutes of many volatile organic ...
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Synthesis of more benign ionic liquids for specific applications
... abstract Due to their unique properties, ionic liquids (ILs) have attracted an increased scientific and industrial attention in the last decades. The possibility of tailoring their properties for a specific task ...
231
Cholinium-based ionic liquids with pharmaceutically active anions
... ionic liquids (ILs) containing cholinium as a benign cation combined with anions based on five active pharmaceutical ingredients (APIs), namely, nalidixic acid, ni flumic acid, 4-amino-salicylic acid, pyrazinoic ...
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Concentration of human pollution tracers with ionic liquids
... ABS fall within the liquid-liquid extraction (LLE) techniques and involve the partitioning of biomolecules from one aqueous phase to another [5-6]. Usually these systems are formed by different pairs of solutes miscible ...
118
Post-combustion flue gas purification using ionic liquids
... ionic liquids membranes (SILM’s), are a type of a supported liquid membranes in which are membranes that are impregnated with a solvent; these membranes work based on a combination of three unit stages, the ...
107
Ionic liquids: A pharmaceutical perspective
... This chapter will focus on the major possible applications of ILs in the pharmaceutical perspective: reaction media for the synthesis of APIs, as vehicles of drugs (solvents and drug [r] ...
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