constant composition

USAGE SUMMARY

"constant composition" is a correct and usable phrase in written English.
It is typically used in scientific or technical writing to describe a material or substance that maintains the same ratios of its component parts. For example: "The compound had a constant composition of 60% nitrogen and 40% oxygen, regardless of temperature or pressure changes." "Analyzing the soil samples revealed a constant composition of minerals, indicating a consistent geological origin." In non-scientific contexts, the phrase can also be used to describe something that remains unchanged or consistent over time. For example: "Despite the changes in the company's leadership, the mission statement has remained constant in its composition." "His writing style has a constant composition of wit and humor, making his articles a joy to read."

✓ Grammatically correct

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

52 human-written examples

Mobile phases of constant composition are called isocratic.

Encyclopedia Britannica

There exist relatively few minerals with constant composition; notable examples include quartz (SiO2) and kyanite (Al2SiO5).

Britannica

Nevertheless, they are a minority, and the law of constant composition is the rule rather than the exception.

Encyclopedia Britannica

For this reason, we call these designs constant composition designs, or CC-designs for short.

Discrete Mathematics

In order to achieve constant composition throughout the deposit thickness, potentiostatic technique was selected.

Electrochimica Acta

One of the remarkable features of talc is its simple, almost constant composition; talc is a basic magnesium silicate, Mg3Si4O10(OH)2.

Britannica

Human-verified similar examples from authoritative sources

Similar Expressions

8 human-written examples

All of them share a constant e/a = 1.5 and fall along the e/a-constant composition line in the ternary composition diagram.

Intermetallics

The crystal growth rates of calcite were evaluated in a dense fluidized-bed crystallizer using a constant-composition method.

Chemical Engineering Science

Following the same strategy, a pH-stat, or constant-composition system, was constructed in our laboratory for investigating the crystallization and precipitation of sparingly soluble salts.

Journal of the Taiwan Institute of Chemical Engineers

In addition, the model is simple and is able to duplicate with reasonable accuracy the temperature dewpoint pressure behavior of constant-composition gas condensate fluids.

Journal of Petroleum Science and Engineering

Also, the uptake of lattice ions measured in our constant-composition assay represents the growth of all faces present.

Plosone

Expert writing Tips

Best practice

When describing experimental conditions, clarify that maintaining a "constant composition" is crucial for accurate and reproducible results. This ensures that any observed changes are directly related to the manipulated variables, not fluctuations in the substance's inherent makeup.

Common error

Avoid assuming a "constant composition" without accounting for potential external contaminants or environmental factors that could alter the substance's inherent makeup over time. Regularly verify the composition to ensure its stability.

Linguistic Context

The phrase "constant composition" primarily functions as a descriptor, modifying a noun to indicate that its elemental or molecular makeup remains unchanged. As Ludwig AI points out, this is commonly used in scientific and technical contexts.

Expression frequency: Very common

Frequent in

Science

72%

Encyclopedias

17%

Wiki

2%

Less common in

News & Media

0%

Formal & Business

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "constant composition" is a grammatically sound and frequently employed term, particularly within scientific and technical domains. Ludwig AI confirms its typical use in describing substances or materials with unchanging elemental ratios. The phrase serves to ensure reliability and predictability. While primarily formal, its specific applicability in academic and scientific contexts necessitates careful consideration of external factors that could affect the composition's stability. Alternatives such as "uniform constitution" or "stable formulation" may be used depending on the intended emphasis.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

unchanging elemental ratio

Highlights the consistent proportions of elements within a substance, underscoring chemical stability.

consistent constitution

Focuses on the continuous and reliable arrangement of components, ensuring predictability.

time-invariant composition

Adds the aspect of consistency over a period of time, meaning the composition does not change.

uniform constitution

Emphasizes the even distribution and consistent nature of the components within a substance.

invariable makeup

Underscores the unchanging nature of the elements that constitute a particular entity or substance.

stable formulation

Highlights the consistent arrangement of ingredients or components, focused on maintaining stability.

fixed formulation

Implies a predetermined and unalterable arrangement of components, suggesting rigidity.

unvarying structure

Highlights the consistent organization and arrangement of components, focusing on structural integrity.

standardized mixture

Emphasizes the consistent proportions and preparation methods of the components involved.

homogeneous arrangement

Focuses on the uniform distribution and consistent organization of components throughout.

FAQs

How is "constant composition" used in scientific experiments?

In scientific experiments, maintaining a "constant composition" is crucial for ensuring reliable and reproducible results. It means that the substance or mixture being studied has a consistent ratio of its components throughout the experiment, eliminating compositional variability as a factor influencing the outcome.

What does the law of "constant composition" state?

The law of "constant composition" (also known as the law of definite proportions) states that a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation.

Which fields commonly use the term "constant composition"?

Fields such as chemistry, materials science, and engineering frequently use the term "constant composition" to describe materials or substances that maintain a consistent elemental or molecular makeup. It's also used in geology to describe minerals with a consistent chemical formula.

What are some alternative ways to express the idea of "constant composition"?

You can use alternatives like "uniform constitution", "stable formulation", or "invariable makeup" depending on the specific context. These alternatives emphasize different aspects of uniformity and stability.