Examples of 'basic aqueous solution' in a sentence
Meaning of "basic aqueous solution"
basic aqueous solution: This phrase refers to a solution in which water serves as the solvent, typically used in chemistry to describe a liquid mixture that contains a substance dissolved in water
How to use "basic aqueous solution" in a sentence
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basic aqueous solution
A basic aqueous solution may conveniently be employed.
In another embodiment the basic aqueous solution is sodium hydroxide.
The basic aqueous solution was extracted with ether.
A second extraction with a different basic aqueous solution may be performed.
The basic aqueous solution was then extracted with dichloromethane.
The development may for example be made in a basic aqueous solution.
Extracted basic aqueous solution with dichloromethane.
The precipitate obtained is separated and mixed with a basic aqueous solution.
The basic aqueous solution is then distilled to remove water.
The product was extracted from the basic aqueous solution with methylene chloride.
The basic aqueous solution or filtrate is then extracted with benzene or toluene.
Wherein the polymerisation is conducted in basic aqueous solution in the presence of a basic catalyst.
The basic aqueous solution used in the pretreatment step may optionally comprise a sequestrant.
The residue obtained is dissolved in chloroform and washed with a slightly basic aqueous solution.
Preferably a basic aqueous solution containing one or more alkali metal compounds is used.
See also
The reaction became homogenous and biphasic upon addition of the basic aqueous solution of guanidine.
The combined basic aqueous solution was extracted with DCM.
The water can be water alone, or an acid, neutral or slightly basic aqueous solution.
The basic aqueous solution comprises sodium bicarbonate ; or.
In some embodiments the basic aqueous solution has a pH of over 8.
A process according to claim 1 further comprising the treatment with a basic aqueous solution.
The circulation of the basic aqueous solution was maintained for 3 hours.
Preferably, essentially all of the organic reaction product is mixed with a basic aqueous solution.
The residue is then extracted with a basic aqueous solution having a pH of at least 11.
The basic aqueous solution is treated as in Example 6.
In some embodiments of this invention, the basic aqueous solution has a pH of 8 or higher.
The basic aqueous solution is treated under the conditions described in Example 3.
A process according to claim 8 wherein the basic aqueous solution is an ammonia aqueous solution.
The basic aqueous solution may suitably contain an organic solvent immiscible with water e.g. THF.
For example, both compounds are allowed to react in a basic aqueous solution under heating.
The pH of the basic aqueous solution was about 13.
Chemical stability vis-Ã -vis an acidic or basic aqueous solution.
The combined basic aqueous solution was then acidified with conc . HCl to pH 2.
The process of claim 1 wherein the pH of the basic aqueous solution is greater than 8.
Said basic aqueous solution has a pH in the range 8 to 10.
The method according to claim 1, wherein the basic aqueous solution is a sodium hydroxide solution.
The basic aqueous solution was extracted with diethyl ether ( 3 x 5 ml ).
Step ( h ) may comprise basifying with a basic aqueous solution.
The basic aqueous solution was extracted with methylene chloride ( 3 x 50 ml ).
Hydrochloric acid was added to the basic aqueous solution to adjust the pH to 7.4.
A basic aqueous solution with a concentration of from 1 % to 50 % by weight is advantageously used.
In some embodiments, step ( h ) comprises basifying with a basic aqueous solution.
The basic aqueous solution was washed with 500 ml of diethyl ether.
In some embodiments, the liquid medium in the basic aqueous solution is at least 90 % water.
Dissolution of vanadium pentoxide in strongly basic aqueous solution gives the colourless VO3 - 4 ion.
The pH is adjusted to 6-7 with a basic aqueous solution.
After evaporation of methanol, the residual basic aqueous solution was washed with chloroform ( 5 ml x 2 ).
The process of claim 1 wherein the pH of the basic aqueous solution is between 10 and 13.
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