pure substance

USAGE SUMMARY

'pure substance' is a correct and usable phrase in written English.
You can use it to describe a type of substance without any impurities. For example: "The chemist tested the sample for any impurities and determined that it was a pure substance."

✓ Grammatically correct

Science

Academia

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Pure substance model.

Massachusetts Institute of Technology

And using the pure substance.

Massachusetts Institute of Technology

Organic fluids are modeled using a pure substance database.

Applied Energy

Mephedrone is sold as the pure substance, so users know what they are getting.

The Guardian - Opinion

So in the absence of this inert gas here, I just have the pure substance.

Massachusetts Institute of Technology

The fluid is constituted of one pure substance, the flow is monophasic, highly compressible and isothermal.

Chemical Engineering Science

A value of the parameter is selected to match a liquid density for each pure substance.

Chemical Engineering Science

The chemical makeup of most minerals is not as well defined as that of quartz, which is a pure substance.

Britannica

Because this gas liquid coexistence line, this diagram, and this Clapeyron equation, is all done for a pure substance.

Massachusetts Institute of Technology

The first task in carrying out the above program is to calculate the amount of work done by a single pure substance when it expands at constant temperature.

Britannica

The transformation can lead to a chemical equilibrium, and only when this equilibrium (inner equilibrium) is established does such a pure substance behave as a real single substance.

Nature

Expert writing Tips

Best practice

In technical documentation, use "pure substance" to clearly differentiate from mixtures or compounds.

Common error

Avoid assuming a substance is "pure" without rigorous testing. Even substances labeled as "pure" can contain trace contaminants that might affect experimental results.

Linguistic Context

The phrase "pure substance" functions primarily as a noun phrase, identifying a material that consists of only one type of element or compound. Ludwig AI shows its application across diverse scientific and technical fields, as referenced in examples from Britannica and MIT.

Expression frequency: Very common

Frequent in

Science

68%

Academia

15%

Encyclopedias

8%

Less common in

News & Media

4%

Wiki

3%

Formal & Business

2%

Ludwig's WRAP-UP

In summary, "pure substance" is a noun phrase denoting a material composed of only one type of element or compound. Ludwig AI indicates that this term is grammatically correct and very common, primarily within scientific, academic, and encyclopedic contexts. The phrase serves to provide precise descriptions, differentiating single-component materials from mixtures. Given its technical nature, it maintains a formal and scientific register. To enhance your writing, ensure the term aligns with the experimental context and avoid overgeneralizing purity without rigorous testing. Overall, understanding and correctly using "pure substance" improves clarity and precision in technical writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

unadulterated material

Replaces "substance" with "material" and emphasizes the lack of adulteration.

unmixed compound

Focuses on the chemical composition being solely one element or molecule.

single component material

Highlights that the substance consists of only one type of component.

homogeneous entity

Emphasizes the uniform nature and composition throughout the substance.

isolated element

Highlights the separation from other elements.

refined matter

Suggests that the substance has been processed to remove impurities.

pristine form

Conveys a sense of original purity and untouched state.

elemental composition

Refers to the fundamental and uncombined nature of a substance.

untreated substrate

Implies no processing has altered the substance.

sole ingredient

Highlights the substance being the only component present.

FAQs

How is "pure substance" used in scientific writing?

In scientific writing, "pure substance" is used to precisely describe a material that consists of only one type of molecule or element, distinguishing it from mixtures or compounds.

What are some examples of "pure substances"?

Examples of "pure substances" include distilled water, gold, and diamond. These materials consist of only one type of molecule or element, without any significant impurities.

What is the difference between a "pure substance" and a mixture?

A "pure substance" consists of only one type of molecule or element, while a mixture is composed of two or more different substances that are physically combined but not chemically bonded.

When is it important to specify that a substance is "pure"?

It's important to specify that a substance is "pure" when conducting experiments or analyses where the presence of impurities could significantly affect the results. For example, in chemical reactions or material science testing.