Examples of 'n-heptane' in a sentence
Meaning of "n-heptane"
n-heptane (noun) - a type of hydrocarbon compound with seven carbon atoms in its chain, commonly used as a solvent in laboratories
Show more definitions
- The saturated aliphatic hydrocarbon (CH₃(CH₂)₅CH₃).
How to use "n-heptane" in a sentence
Basic
Advanced
n-heptane
Ml of n-heptane were then introduced into the flask.
More preferable solvent is methylene chloride or n-heptane.
To the residue n-heptane was added to obtain a slurry.
To the oil residue obtained was added n-heptane.
N-heptane was added while distilling to form a suspension.
The reaction mixture is diluted with n-heptane.
Even more preferred n-heptane or toluene is used as solvent.
The paraffinic hydrocarbon used is preferably n-heptane.
Most preferred n-heptane is used as solvent.
The conversion was calculated from the n-heptane content.
Eight hundred ml of n-heptane was added to the styrene methanol composition.
Catalytic activity of the acidic zeolite in n-heptane cracking.
The n-heptane solution is ready to be injected into the gas chromatograph.
The solid collected by filtration was washed with n-heptane.
The residue was sonicated in n-heptane and filtered off.
See also
It was collected by filtration and washed with cold n-heptane.
More n-heptane was added to clear solution and the phases separated.
The product was isolated and washed with n-heptane.
Lower n-heptane test values correlate with more active catalyst.
The mixture was stirred and extracted with n-Heptane.
Crystallization from a mixture of n-heptane and isopropyl alcohol is especially preferred.
The resulting fraction was concentrated and extracted in n-heptane.
G of water was distilled off, whilst n-heptane was recycled to the distillation flask.
The residue was taken up in isopropyl acetate and n-heptane.
Titration with n-heptane initially causes a reduction in absorbance as a function of dilution.
The resulting precipitate is washed several times with n-heptane.
The mixed solvent of toluene and n-heptane is the most preferable.
The reaction product was sufficiently washed with purified n-heptane.
By convention, the compounds precipitated by n-heptane under standard conditions are termed asphaltenes.
A precipitated solid product was sufficiently washed with purified n-heptane.
Preferably the flakes are extracted with n-hexane or n-heptane in a countercurrent extraction.
The reaction is preferably carried out in ethyl acetate with n-heptane.
The washing with n-heptane would help to dissolve dioxane if any present.
Excess of thionylchloride was carefully evaporated twice with n-heptane in vacuo.
The oil phase is a mixture of n-heptane and toluene and aqueous phase distilled water.
The carrier of these catalysts is inert in the n-heptane cracking test.
Oil finishes were applied from n-heptane and the water solubles from the deionised water.
The solid is then collected by filtration and washed with n-heptane.
These preferred amounts especially also apply if n-heptane or toluene is used as solvent.
The suspension is filtered and the solid is washed with n-heptane.
The test protocol uses the conversion of n-heptane into cracked and isomerized products.
Filter the slurry and wash the cake with n-heptane.
The sample was then washed with refluxing n-heptane to remove any possible oil adsorbed.
The solid was filtrated under vacuum and rinsed with n-heptane.
Such a product was washed with refluxing n-heptane in order to remove any possibly adsorbed oil.
The former method also was used to study this complex in n-heptane solution.
N-Heptane may optionally be added to this mixture.
It is therefore not necessary to concentrate the solution by distilling off the n-heptane.
The latter relationship is shown with respect to n-heptane as well as n-butane fuels.
Crystallization of the product salt is promoted by addition of a hydrocarbon solvent such as n-heptane.
