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Purity, formulations and chromatography key terms
Study Purity, formulations and chromatography with curriculum-aligned Key Terms resources, practice links, and exam-focused support.
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key terms
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Topic
Purity, formulations and chromatography
Key terms
Pure substance
A single element or compound not mixed with any other substance.
Impurity
A substance that alters the properties of a pure substance, affecting its melting and boiling points.
Pure Substance
A single element or compound not mixed with any other substance.
Melting Point
The specific temperature at which a pure element or compound changes from solid to liquid.
pure substance
A single element or compound not mixed with any other substance.
melting point
The specific temperature at which a pure substance changes from solid to liquid.
Pure substance
A single element or compound not mixed with any other substance.
Boiling point
The temperature at which a substance changes from liquid to gas, used to identify pure substances.
Melting point depression
The lowering of a substance’s melting point caused by the presence of impurities.
Boiling point elevation
The increase in a substance’s boiling point caused by the presence of impurities.
Melting Point
The temperature at which a solid becomes a liquid, used to identify pure substances.
Boiling Point
The temperature at which a liquid becomes a gas, used to identify pure substances.
Pure substance
A single element or compound not mixed with any other substance.
Everyday purity
The general concept of purity that may include mixtures or impurities, differing from the scientific definition.
formulation
A mixture that has been designed as a useful product.
mixture
A combination of two or more substances that are not chemically bonded.
formulation
A mixture that has been designed as a useful product.
component
An individual substance that is mixed in a formulation in carefully measured quantities.
formulation
A mixture that has been designed as a useful product.
component
An individual part or ingredient that makes up a formulation.
formulation
A mixture that has been designed as a useful product.
cleaning agent
A formulation specifically designed to remove dirt and stains.
formulation
A mixture that has been designed as a useful product.
component
An individual part of a formulation that contributes to the properties of the product.
formulation
A mixture that has been designed as a useful product.
composition
The specific components and their amounts that make up a formulation.
formulation
A mixture that has been designed as a useful product.
pure substance
A single element or compound not mixed with any other substance.
Chromatography
A method used to separate mixtures and identify substances based on their movement through a stationary phase and a mobile phase.
Mixture
A combination of two or more substances that are not chemically bonded together.
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