Optimization of Ionic Liquid Based Simultaneous Ultrasonic-and

Aug 5, 2014 - Ultrasonic- and Microwave-Assisted Extraction of Rutin and. Quercetin from Leaves ..... solubility of flavonoids compounds in extraction...

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Feb 20, 2011 - Division of Organic Chemistry, National Chemical Laboratory, Pune, India. E-mail: [email protected] Received ... Rutaecarpine type alkaloids constitute an important class of indolopyridoquinazolinone ... The starting material emplo

components in the azeotrope, thus altering the relative volatility of the mixture (Pereiro et al., 2012). Volatile organic solvents are commonly used as conventional entrainers in extractive distillation; however, there are a lot of disadvantages as

Apr 7, 2017 - (Bmim) (BF4), 3. (Bmim) (Br), 4. (Bmim). (PF6), 5. (Hmim) (PF6), 6. (Omim) (PF6). Extraction parameters were as follows: 10 g S. doederleinii,. IL concentration of 2.0 mmol/L, ratio of solution to raw of 1:10 g:mL, microwave power of 50

Nov 26, 2015 - Processes 2015, 3. 770. 1. Introduction. Recent requirements for the development of green and sustainable technologies constantly increase the interest in research aiming at the substitution of volatile, toxic and flammable conventiona

Jul 13, 2016 - tetrafluoroborate ([BMIm]BF4)8–15 and ethylammonium nitrate. (EAN)12,16–19 are the two most commonly used ILs for the formulation of IL–oil μes. To the best of our knowledge, the only. ''task'' conventional surfactants cannot ca

Dec 24, 2016 - polymer binder and the ionic liquid 1-butyl-3methylimidazolium tetrafluoroborate (BMIMBF4). All materials were used as received. The samples were prepared from the UV curable emulsion containing. 72.5 wt % of the PEGDMA (Sigma Aldrich)

Aug 28, 2012 - [BMIM]BF4]. TsOH. 80. 5. [HMIM][TsO]. HCl. 64. 6. [HMIM][TsO]. TsOH. 79. aHCl (4 mol%); bTsOH (equimolar amount); cyield of isolated products; da mixture was isolated with ca. 6% of 2, as determined by 1H NMR. Table 2. Reaction time fo

Nov 10, 2009 - buffer (chloroacetic acid, acetic acid or Good's buffers) were shaken mechanically at 25 ± 1°C for 45 min. After the three phases were separated ...

Jun 24, 2013 - Have stable liquid range of over 300 K. • Very low vapour pressure at room temperature. • Selective solubility of water and organics. • Potential to replace volatile organic solvents used in processes. • Often associated with G

Dec 24, 2016 - polymer binder and the ionic liquid 1-butyl-3methylimidazolium tetrafluoroborate (BMIMBF4). All materials were used as received. The samples ...

Dec 10, 2015 - There exist only a few papers dealing with high-performance liquid chromatography methods suitable for IL quantification [41–44]. Cations derived from ionic liquids can be analyzed separately in reversed-phase mode on different stati

ACS Applied Materials and Interfaces, 6 (23), 21110-21117. Authors. Xiaoteng Jia, Yang ... Bio-implantable power sources built with biocompatible or biodegradable materials are of growing interest for ..... O bond of oxygen and lower the activation e

Jan 14, 2011 - simple and could easily be carried out from the corresponding amines via nucleophilic quaternization with alkyl halides [21,22], .... ionic product, alkyl sulfates or phosphates can be used as alkylating agents [31]. Although .... Conv

Ionic liquids (ILs) are a promising alternative electrolyte as they generally exhibit greater electrochemical stabilities. 10 and lower volatility. This work investigates the electrochemical performance of. EDLCs using ILs that combine the bis(triflu

Dec 3, 2012 - [bmim] [BF4]. 0.0411 ± 0.03. 0.1065 ± 0.01. 0.0190 ± 0.02. [bmim] [H2PO4]. 0.0194 ± 0.03. 0.1035 ± 0.03. 0.0289 ± 0.02. [bmim]2 [SO4]. 0.0110 ± 0.01. 0.0953 ± 0.05. 0.0114 ± 0.04. [bmim] [HSO4]. 0.0200 ± 0.01. 0.1453 ± 0.05.

Mar 28, 2017 - theoretical design principle for RTIL-based electrochemical CO2 reduction systems. ... CO2 reduction mechanism in RTIL-based media and to provide an overall insight and guidelines for the design of ..... Roy, S.C.; Varghese, O.K.; Paul

Dec 13, 2013 - Abstract Biodegradation tests with bacteria from activated sludge revealed the probable persistence of cyano-based ionic liquid anions when these leave waste water treatment plants. A possible biological treatment using bacteria capabl

May 19, 2015 - The term Ionic Liquid. (IL) refers to a class of salts that are liquid in their pure state at near ambient temperature. These liquids are solely made of ions and in most cases have an organic cation and an inorganic, poly-atomic anion.

neutral ionic liquid, [BMIm]BF4, was not as effective as [BMIm]HSO4, however, it found comparable catalysis activity when contaminated with 20 mol% of p-TSA. the results was shown that different ILs exhibit a dramatic difference in the yield of 4a, t

Jun 27, 2013 - of the constituent anion not only dictates the equilibrium diameter in the .... microgels (two beads each contain the same pH indicator) are exposed to different pH solutions iteratively. ... (Thymol blue)-doped PIL microgels colorimet

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In this chapter, recent progress on the liquefaction of wood in an ionic liquid, 1- ethyl-3-methylimidazolium chloride ([C2mim][Cl]), which has a chemical structure as shown in Figure 1, is presented. [C2mim][Cl] is well known as an ionic liquid that

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