Examples of 'n-pentane' in a sentence
Meaning of "n-pentane"
N-pentane (noun): A hydrocarbon compound commonly used as a solvent and as a blowing agent in the production of foam plastics
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- The saturated aliphatic hydrocarbon (CH₃(CH₂)₃CH₃).
How to use "n-pentane" in a sentence
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n-pentane
A cycle with n-pentane as thermal fluid was used.
It was filtered and washed with excess n-pentane.
Use of n-pentane or isopentane or mixtures thereof is especially preferred.
Crystals were collected and washed with n-pentane.
This was stirred with n-pentane until a yellow precipitate formed.
The residue is crystallized from n-pentane.
Further isopentane and n-pentane are considerably cheaper than cyclopentane.
The hydrocarbon introduced can also be a precursor of n-pentane.
N-pentane are previously purified over alumina and sparged with nitrogen.
These two catalysts are used in the isomerization of n-pentane.
The latter was stirred with n-pentane until an orange solid formed.
The adsorbed species were desorbed with liquid n-pentane.
The residue was triturated in n-pentane to obtain yellow colored solid compound.
The residue was crystallized using mixture of dichloromethane in n-pentane.
The residue was stirred with a little n-pentane to give a suspension.
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Minor amounts of impurities were removed by washing with n-pentane.
Isoprene and n-pentane are premixed in a dynamic mixer upstream of the polymerization reactor.
The solid obtained was stirred in n-pentane and filtered.
Subsequently, n-pentane was added in increments indicated by the data points in the graph.
This process was repeated with additional aliquots of n-pentane.
Cyclopentane, n-pentane and isopentane are preferred among the hydrocarbon blowing agents.
The aqueous layer is extracted with n-pentane twice.
This eluent can be isopentane, n-pentane or isohexane previously extracted from the feed.
Fatty acid methylesters are then extracted with n-pentane.
Concerns for the contribution of isolated n-pentane to the formation of ozone in ambient air.
The solvent used for the microcolumn packing is n-pentane.
The product of isomerization of the n-pentane and n-hexane is recycled to the fractionation zone.
The reaction mixture is distributed between n-pentane and water.
The n-pentane solution was decanted from a dark brown tar which had precipitated out.
The solvent was removed and the solids were washed with n-pentane.
After twice washing treatment with n-pentane at room temperature, the catalyst is dried.
The solvent was removed and the solids were recrystallized from n-pentane.
The catalyst is subsequently washed with n-pentane and dried under vacuum at room temperature.
Of the foregoing extracting reagents, particularly preferred are n-pentane and acetone.
The blowing agent used was n-pentane after intensive mixing and reaction with polyisocyanate.
The solvent was removed and the yellow oil was stirred with n-pentane.
The organic solution was washed with n-pentane and the acetonitrile removed at reduced pressure.
The solvent was removed and the oily solid was washed with n-pentane.
Preferably, n-pentane or isopentane, or mixtures thereof are employed.
A refrigerant composition as claimed in any preceding claim, wherein hydrocarbon additive is n-pentane.
The resultant brown mobile oil was triturated with n-pentane and the solvent decanted.
Solvent was removed in vacuo to give a solid residue which was recrystallised from dichloromethane n-pentane.
The brown residue was washed several times with n-pentane and dried under vacuum.
A refrigerant composition as claimed in claim 9, wherein the hydrocarbon additive is n-pentane.
Of the possible pentane species, n-pentane is preferred.
Solvents that favor the trans configuration are typically nonpolar, such as n-pentane.
Especially preferred solvents are n-pentane or n-hexane or n-heptane.
A process according to any preceding claim, wherein the post foaming agent is n-pentane.
Preferably, the desorbent is a stream of n-pentane or n-butane or a mixture of both compounds.
The insoluble fraction was filtered off with suction, washed with n-pentane and dried.
