Sentence examples for ether residues from inspiring English sources

The control of the energy transfer (FRET) in a novel bischromophoric styryl(pyridinium) dye bearing two different crown ether residues is presented.

A new confirmatory method for simultaneous determination of bisphenol diglycidyl ether residues (BADGE, BADGE·H2O, BADGE·2H2O, BADGE·H2O·HCl, BADGE·HCl, BADGE·2HCl, BFDGE and BFDGE·2HCl) from canned food has been developed.

The product was eluted with ether and the ether residue was then removed by nitrogen flow under vacuum.

The resulting FAMEs and MAMEs were dissolved in diethyl ether and insoluble residues removed by centrifugation.

After the solvent was decanted, the polymer was washed with 2 volumes of fresh ether, then the residue was dried under vacuum for 2 days before it was formed into a stock of 100 mg/ml in DMSO, which was stored at −20 °C.

Following ether evaporation, the residue was solubilised in ethyl acetate and analysed by GC-MS [ 25].

The extract was concentrated at low temperature to remove petroleum ether; the oily residue was collected and dried.

Excess methyl iodide was removed by extraction with ether, and the residue was cautiously acidified with 2.0 M HCl until evolution of CO2 ceased.

This was followed by adding 60 μl of termination reagent (0.2 g dried oxalic acid and 6 ml diethyl ether) and methyl ester residues were extracted by adding 200 mg of calcium and followed by short centrifugation.

Lignin has been suggested to chemically associate with hemicellulose in the cell wall [ 30], particularly xylan side groups have an important role in the bonding of lignin to hemicellulose e.g. ester linkages between lignin and methylglucuronic acid residues and ether bonds from lignin to arabinosyl groups have been reported.

On treatment of the residue with ether (5 ml), a colourless salt separated, which was cyclised as described above.