chloroform solution
Spectroscopic Studies on Charge Transfer Complexation of Iodine with Two Recently Synthesized Ligands in Chloroform Solution
... constant iodine concentration (6.9 × 10 -4 M) in chloroform. Since both the donor and acceptor concentrations are very low and comparable, the following modification of the Benesi- Hildebrand equation was used ...
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A contribution to the chemistry of xylose
... The crude methylated xylan was powdered and dissolved in chloroform, the chloroform solution well dried over anhydrous sodium sulphate, filtered, the solution reduced in volume and the m[r] ...
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Shuttle like supramolecular nanostructures formed by self assembly of a porphyrin via an oil/water system
... in chloroform solution, it can be seen that its UV/vis spectra display a sharp Soret band at 418 nm and four Q-bands around 513, 546, 588, and 648 ...
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Preparation and Aggregation-Induced Emission of New 1,3,5-Triazine-2,4,6-tricarboxamide with Liquid Crystal Properties
... and solution. It shows weak fluorescent emission intensity in chloroform solution, in contrast, it gave strong emission intensity in the solid state as shown in ...the solution of 5 was ...
8
3,3,4,4,5,5 Hexafluoro 1,2 bis(3 methylbenzo[b] 2 thienyl)cyclopentene
... PMMA/chloroform solution (PMMA = polymethylmethacryl- ate), and its crystal structure was determined. The molecule adopts a photoactive antiparallel conformation. The distance between the two reactive C ...
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The Reactions of Pygosteus Pungitius L to Toxic Solutions
... 8 shows that a 1/10,000 chloroform solution containing copper sulphate produces no reaction and the fish become anaesthetized, and that copper chloride inhibits the reaction to mercuric [r] ...
13
The acetylation and methylation of starch
... filtration. Chloroform extractions were continued however to obtain the unprecipitated ...in chloroform solution which was dried over sodium sulphate and evaporated to ...alcohol, chloroform ...
162
The composition of cephalin
... Ox-brain cephalin was prepared according to the method of Folch 1942 and separated into ethanolamine and serine rich :fractions by step-wise precipitation from chloroform solution by add[r] ...
300
Structural and synthetic studies of alkaloids of the Proteaceae
... The chloroform solution was then repeatedly extracted with aqueous sulphuric acid 1%, and the acid extracts were united, rebasified and extracted with successive quantities of chloroform[r] ...
290
Encapsulation of a Chloroform Molecule in a Peptide Nanotube
... a chloroform molecule interacting with a peptide nanotube by employ- ing the Lennard-Jones potential and a continuum ...on-axis chloroform molecule is ac- cepted into a peptide nanotube of inner radii 5 Å ...
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The reactions of aromatic amines with 1,2 quinones
... A solution of ^-phenylenediamine (0,4g) in methanol (25cc) v/as added to a stirred solution of 1,2- benzoquinone (0*4s) in the same solvent (75cc), The bright red colour of the quinone solution ...
176
A Comparative Pharmacognostic Evaluation of Different Extracts of Shorea robusta Gaertn. f. Resin
... Shorea robusta (Shal) is an important traditional Indian medicinal plant used in various ailments and rituals. The use of different parts of this plant like leaves and resin as a medicament for treatment of various ...
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An investigation of the methods for the preparation of methyl chloroform and an attempted condensation of methyl chloroform with malonic ester
... worker also reported t.'ltat the methyl ohlorof'orm eo prepared, had been condensed suceeasf'ully with the sodio-derivat1ve of malonic estert and the resultant product hydrolysed to.. Th[r] ...
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Influence of Solvent on Interfacial Polymerization of Polyaniline Nanostructure S. J. Balamurugan, D. Sathya, S. Kalyanaraman, R. Murugesan
... The polyaniline was prepared by in-situ chemical oxidative dispersion polymerization of 0.1 M aniline in 100ml of 1M sulphuric acid using 0.1 M ammonium perdisulphate (APS) as oxidant in 100 ml of 1M sulphuric acid. Then ...
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Alkaloids of Athrotaxis species
... The resulting solution was extracted with chloroform 3x50 ml, and the combined extracts were washed with water 50 ml, dried MgSO 4 , and evaporated under reduced pressure to obtain the k[r] ...
150
Modification of poly maleic anhydride with different mono saccharides
... Concentrated sulfuric acid (8.75 ml) was added dropwise with stirring to an ice-cold anhydrous acetone (175 ml) then a finely powdered D-fructose (9g,50 mmol) was added portionwise with stirring until all of the sugar ...
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PHYTOCHEMICAL SCREENING AND COMPARATIVE STUDY OF ANTIMICROBIAL ACTIVITY OF SELECTED CONSTITUENTS OF SOME MEDICINAL PLANTS
... Generally, majority of the secondary metabolites studied in selected parts of medicinal plants have present with higher amount in methanolic extract than that of the other alcoholic, chloroform and aqueous ...
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2 [(3,3 Dimethylindolin 2 ylidene)methyl] 4 [(3,3 dimethyl 3H indol 1 ium 2 yl)methylidene] 3 oxocyclobut 1 en 1 olate chloroform disolvate
... Evaporation of a solution of the dye in chloroform gave the title compound solvate as large green-black crystal prisms and its crystal structure is reported on herein. The dye molecule adopts the uncommon ...
8
Tris(N ethyl N phenyldithiocarbamato S,S′)cobalt(III)
... designation Vulkacit P Extra; EtPhdtc is N-ethyl-N-phenyl- dithiocarbamate) (Debnath & Basu, 1995) and an aqueous solution of cobalt(II) sulfate. The bond lengths in (I) are consistent with average values ...
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Diverse derivatives of selenoureas : a synthetic and single crystal structural study
... the chloroform or dichloromethane solution of the compound in air at room ...of chloroform in the asymmetric unit in 2, two molecules of the compound and highly disordered dichloromethane (removed ...
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