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Chemical impurity

In chemistry and materials science, impurities are chemical substances inside a confined amount of liquid, gas, or solid. They differ from the chemical composition of the material or compound. Firstly, a pure chemical should appear in at least one chemical phase and can also be characterized by its phase diagram. Secondly, a pure chemical should prove to…

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Unwanted impurities

Wanted impurities

Impurities and nucleation

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Chemical impurity

Nodes53
Edges52
Triples6
Avg. degree1.96
Density0.037736
Components1

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Important terminology

impurities chemical material pure added phase may also semiconductors solid nucleation liquid amount iron example conductivity unwanted impurity elements point

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
distillation or zone refininginstance ofThe removal of unwanted impurities may require the use of separation or purification techniques0.80text
the color in gemstones or conductivity in semiconductorsinstance ofimpurities might be added to acquire certain properties of a material0.80text
different colors in gemstones or by doping to tune the conductivity of semiconductors.An example of when impurities are wanted is shown in gemsinstance ofThese types of impurities can show up in our day-to-day lives0.80text
chromiuminstance ofThe green of emeralds are from impurities0.80text
vanadiuminstance ofThe green of emeralds are from impurities0.80text
or ironinstance ofThe green of emeralds are from impurities0.80text

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