How to use in-sentence of “impurities”:
+ Also known as water purification, water treatment is the process of removing potentially harmful impurities from drinking water.
+ Flotation is used to separate sulfide ores from the impurities in the ore.
+ The particular impurities determine the use.
+ When the pure nickel sticks to Cathodecathodes hanging into the bath, the impurities remain in the sulfuric acid or at the bottom of the bath.
+ To make the n-type semiconductor, pentavalent impurities like phosphorus or arsenic are added.
+ The cavities and impurities – remnents of small debris, scrub and biotic materials – make the rock porous and lightweight.
+ All of the impurities fall to the bottom, while the pure copper is made at the negative electrode.
+ Adding certain substances or impurities will change the melting point of the resulting mixture.
Example sentences of “impurities”:
+ The oxides of nitrogen and sulphur are released from impurities in fossil fuels when they are burnt.
+ As it contained far fewer impurities than normal coal, the iron it produced was of a superior quality.
+ The impurities used may be phosphorus, arsenic, antimony, bismuth or some other chemical element.
+ It turns out that impurities decrease the melting temperature of the drug.
+ The copper is taken out of the sludge and the bismuth is purified by being reduced in a furnace and all the impurities are filtered out.
+ The FID does not detect these impurities because they do not burn.
+ The solvent used must be distilled to remove impurities that may transfer to clothing.
+ It removes the impurities as slag.
+ The oxides of nitrogen and sulphur are released from impurities in fossil fuels when they are burnt.
+ As it contained far fewer impurities than normal coal, the iron it produced was of a superior quality.
+ The impurities used may be phosphorus, arsenic, antimony, bismuth or some other chemical element.
+ Both carnelian and sard are varieties of the silica mineral chalcedony coloured by impurities of iron oxide.
+ Trace impurities of various other elements can have a significant effect on the quality of the resulting steel.
+ Galena is made pure by froth flotation to get all the impurities out.
+ Other impurities can make sapphire.
+ The best cuvettes are as clear as possible, without impurities that might affect a spectroscopic reading.