diethyl ether

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  • noun

Synonyms for diethyl ether

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The first generation of the tannin foams have shown good insulation properties and very significant resistance against fire but unfortunately they were produced with around 5% of formaldehyde needed for keeping the network stable and variable amounts of diethyl ether for allowing the blowing at room temperature.
All chemicals and growth media including ethanol, diethyl ether, chloroform, hexane, PDA (potato dextrose agar) and PDB (potato dextrose broth) were purchased from Carl Roth GmbH, Germany.
The organic (diethyl ether) fraction was concentrated under reduced pressure to dryness, yielding the first fraction named [F.sub.1].
The mobile phase used to developed the separation of compounds was verified into seven combinations (hexane:ethyl acetate:methanol, chloroform:methanol:hexane, chloroform:methanol:water, ethyl acetate:methanol:hexane, diethyl ether:hexane, diethyl ether:hexane:methanol, acetone:methanol:water).
anhydrous diethyl ether was used to wash the precipitate to remove the stearic acid adsorbed by CS via nonelectrostatic reaction.
As shown in Figures 1, 2, and 3, ten, three, and eight spots were detected at 254 nm on the plate with solvent system containing chloroform-methanol-water (65: 25: 4, v/v/v), chloroform, diethyl ether (9 : 1, v/v), and chloroformmethanol-water (60: 10 : 1, v/v/v), respectively.
The obtained mixture was filtered and solvent was evaporated, and then it was dissolved in dichloromethane (100 mL) and precipitated in diethyl ether at 0[degrees]C.
At the end of treatments, rats were fasted overnight and sacrificed under anesthesia in slight diethyl ether. The blood samples were collected into EDTA bottles, spun at 5000 g for 10 minutes using a refrigerated centrifuge (Anke TDL-5000B, Shanghai, China) to obtain the plasma, which was subsequently used for the biochemical analysis.
Bio-oils were recovered from liquid products with diethyl ether extraction.
William Cullen, of the University of Glasgow, used a pump to create a partial vacuum over a container of diethyl ether, which then boiled, absorbing heat from the surrounding air.
The residue obtained after solvent removal was washed under argon with several portions of diethyl ether until the filtrate was colourless.
An application that has benefited particularly from the system is lipid extraction from food and plant materials using the highly flammable solvent, diethyl ether. The aim of a typical diethyl ether extraction procedure is to separate cellular or fluid lipids from other constituents, including proteins, polysaccharides and small molecules (API's, amino acids, sugars) and to preserve the lipids for further analyses.
100 ml of diethyl ether was measured and mixed with the crude extract of the leaves stirred very well and then poured into a separating funnel, the mixture in the separating funnel was further shaken severally and allowed to settled down.
Starting with 40g of the freeze-dried wood extract, the fractionation process produced 9.2, 2.5 and 0.56g of the freeze-dried water, methanol and diethyl ether fractions, respectively.
Initially, the unsaponifiable fraction of raw buriti oil was added to the column and then eluted with a combination of petroleum ether and diethyl ether in concentrations varying from 4 to 20% of diethyl ether.