Amberlite IR-120
Sonochemical synthesis of 2 arylbenzimidazoles using amberlite IR 120 Resin
... and amberlite IR-120 resin at room ...induced amberlite IR-120 resin efficiently synthesized substituted 2-arylbenzimidazoles (96 – 68 %) and recyclable up to five times without ...
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Solvent free, instant, ambient, n boc protection of amines A green, recyclable heterogenous acid catalysis by Amberlite IR 120
... To begin with, aniline was reacted with di-tert-butyl dicarbonate in DCM in the presence of Amberlite-IR 120 at room temperature for 3 min to give the expected product in 95% yield. Further the ...
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Amberlite IR-120 H+ Resin, an Efficient And Recyclable Solid Phase Catalyst for the Synthesis of 2, 3-Disubstituted Quinazolin-4(3H)-Ones: A Greener Approach
... In conclusion, we have developed an efficient and environmentally benign synthetic method for the synthesis of 2, 3- disubstituted quinazolin-4(3H)-ones from isatoic anhydride, aldehyde and amines using Amberlite ...
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Study effect of temperature and reaction kinetics model selection epoxidation against rice bran oil methyl ester with catalyst Amberlite IR 120
... Reaction to Rice bran oil methyl ester in situ by using a catalyst resin Amberlite IR-120 shows that the higher the temperature and increasing time, the higher the number oxirane, then decreased. ...
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Removal of Chromium(III) from the Waste Solution of an Indian Tannery by Amberlite IR 120 Resin
... using Amberlite IR 120, a strong cation exchange ...using Amberlite IR 120 has been described by Alguacil et ...of Amberlite IR 120 with two weakly acidic ...
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The nitrogen isotopic separation factors of various organic amines on amberlite IR 120 cation exchange resin
... Ion-exchange displacement chromatography was used to measure the nitrogen isotopic separation factors of ten organic amines and ammonium hydroxide.. A column of Amber lite IR-120 H+ -for[r] ...
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Study Of H+/ Mg2+ and H + / Ca2+ Ion Exchange Reaction Systems using Cation Exchange Resin Amberlite IR-120
... Extensive work was done by previous researchers to study the properties of the ion exchange resins, to generate thermodynamic data related to various uni-univalent and heterovalent ion e[r] ...
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Samarium 153 labelled microparticles for liver tumour targeted therapy with imaging functionality
... Ion exchange resins were chosen due to its relatively easy labelling and commercial availability. Resins are gen- erally chemically inert hence results in minimal radionu- clide leaching. Due to its insoluble ...
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Thermal Degradation Studies of Some Strongly Acidic Cation Exchange Resins
... namely Amberlite IR-120, Indion-223 and Indion-225 was investigated using instrumental techniques like thermal analysis (TG) and Scanning Electron Micros- copy ...
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Adsorption Behavior of Some N-alkyl Pyridinium Salts from Aqueous Solution on Amberlit-IR 120 H+ Resin
... (N-alkyl pyridinium salts) from aqueous solutions at certain conditions was investigated. The effect of resin dosage, contact time, adsorbate concentration, ionic strength and solution temperature on the adsorption ...
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Comparison studies of Adsorption Properties on Ni(II) Removal by Strong and Weak acid Cation-exchange Resins
... as Amberlite IR-120, Amberlite IRC-748, Amberlite IRC-718, Lewatit TP-207 and a wide range of anion exchange resins with styrenic structures have been used to remove heavy metals from ...
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The Equilibrium, Kinetics and Thermodynamics of Cu2+, Zn2+, Cd2+ and Pb2+ Sorption in Sorbents with Different Functional Groups
... The equilibrium conditions of copper (II), zinc, cadmium and lead ions have been studied, sorption isotherms have been constructed and calculating formulas that meet isotherms respective to the Langmuir and Freundlich ...
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Synthesis and thermal analysis of Amberlite XAD 4 functionalized with p toludine
... Herrera et al reported major species evolving from thermal degradation of polyamides and a kinetic study of the thermal degradation under dynamic conditions using discrimination method [31]. Simister et al studied ...
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SRC RR 120 pdf
... type variables rst-order pattern variable function types quanti ed types application of a type operator the dynamic type.. kind of simple pattern types functional kinds.[r] ...
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γ Indomethacin at 120 K
... As well as the classical hydrogen bonding involved in dimer formation, the supramolecular structure is also supported by edge-to-face CÐH interactions, as listed in Table 3 and shown i[r] ...
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Pyridinium nitrate at 120 K
... to 120 K resulted in an approxi- mately 4% decrease of the unit-cell volume, which was shown (by fast determinations at 160, 200 and 250 K) to be practically linear in this ...
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ABSTRACTS: July 1967112-120
... Dehydrogenation of Dicyclohexyl over a Platinum on Alumina Catalyst in the Absence of Added Hydrogen.. Increasing space velocity or pressure increases selectivity for pheny[r] ...
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Equilibrium and kinetic modeling of the adsorption of stevioside on amberlite XAD-7 beads
... 'vill decrease th. polarity ofthe stevioside and reduce the srevioside sol billly in the soludon. Fron Figure 6, it shows that ar increase in the pH of the solutions leads to an[r] ...
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Nitrite Adsorption from Aqueous Solutions Using Amberlite IRA 67
... of Amberlite IRA-67 resin were successfully characterized using FTIR spectroscopy and ...by Amberlite IRA-67 resin with a maximum adsorption capacity of 16,23 ...the Amberlite IRA-67 resin can be ...
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IR Spectroscopy.pptx
... (a) Symmetric stretching: are those vibrations in which the bonds stretch and compress simultaneously i.e., movement of the atoms with respect to a particular atom in the same directio[r] ...
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