Examples of 'distillation under vacuum' in a sentence
Meaning of "distillation under vacuum"
distillation under vacuum - This phrase refers to a process of separating or purifying substances through the method of distillation carried out in a vacuum environment to lower the boiling point of the components.
How to use "distillation under vacuum" in a sentence
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distillation under vacuum
This is purified by fractional distillation under vacuum.
Distillation under vacuum removes most of the remaining diglyme.
Purification is effected by fractional distillation under vacuum.
Distillation under vacuum is more efficient and gentler on the product.
An analytical sample was prepared by distillation under vacuum.
Distillation under vacuum gave the following,.
The product was isolated by distillation under vacuum.
Distillation under vacuum is continued between 1-4 hours or until no further distillates are observed.
The solvent was removed by distillation under vacuum.
A distillation under vacuum is then provided, which gives 71 gr of benzophenone-d5.
Methanol is removed by distillation under vacuum.
Fractional distillation under vacuum gave 93 % pure 6-bromohexyl methyl ether.
These were obtained by distillation under vacuum.
Distillation under vacuum ( oil bath temperature 175 °C ) removed most of the remaining diglyme.
G of water are removed by distillation under vacuum.
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The solvent or solvents for the polyorganosiloxane are then removed by distillation under vacuum.
The methyl esters are prepared by distillation under vacuum without fractionation.
The main part of monomethyl ether of triethylene glycol is eliminated by distillation under vacuum.
Then solvents were removed by distillation under vacuum to give as a yellow solid.
This operation is carried out by volatilization or distillation under vacuum.
The solvents were removed by distillation under vacuum to give the crude product.
It is possible to purify the protected product by distillation under vacuum.
The product was purified by distillation under vacuum using a short vigreux column.
The methanol produced by reaction is eliminated by distillation under vacuum.
An analytical sample was prepared by distillation under vacuum and further crystallisation from hexane.
The volatile products are subsequently eliminated by distillation under vacuum.
The imine product was isolated by distillation under vacuum and characterized by NMR spectroscopy.
The resulting crude product is purified by fractional distillation under vacuum.
The toluene was removed by distillation under vacuum leaving crude 5-nonylsalicylaldehyde.
The chlorinated silanes are recovered by distillation under vacuum.
The solvent is removed by distillation under vacuum to give 9.8 g of pale yellow foam.
The expected product is obtained after distillation under vacuum.
THF is removed by distillation under vacuum at < 60°C until dry.
The organic solvents were removed by distillation under vacuum.
Ethanol was removed by distillation under vacuum at a temperature 60°C.
The vegetation water or extract may be concentrated by distillation under vacuum.
The product was purified by distillation under vacuum through a 20-cm Widmer column.
After cooling at room temperature the solvent was removed by distillation under vacuum.
Preferably, the solvent is removed by distillation under vacuum at a temperature of up to about 65°C.
The product was then isolated by complete removal of the xylene by distillation under vacuum.
The ethyl acetate was removed by distillation under vacuum at 60°C to give crude product.
Vacuum gas oil is a lighter material obtained from flashing or distillation under vacuum.
Low boiling compounds were removed by distillation under vacuum keeping the temperature below 70°C.
Thereafter the solvent and excess thionyl chloride were removed by distillation under vacuum.
The carbon tetrachloride was removed by distillation under vacuum at 65°C to give crude product.
The benzaldehyde was separated from the organic phase by means of fractional distillation under vacuum.
The solution was concentrated by distillation under vacuum and then cooled.
The clean fluid container is constructed to withstand vacuum applied during distillation under vacuum.
This was topped by fractional distillation under vacuum ( under nitrogen ).
The methanol produced by reaction and the excess ethanolamine are eliminated by distillation under vacuum.
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Examples of using Vacuum
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The speed of the vacuum source shall be
If vacuum manure removal system is already installed
Provisions concerning vacuum operated waste tanks
