different concentrations

USAGE SUMMARY

The phrase "different concentrations" is correct and usable in written English.
It can be used when discussing varying levels or amounts of a substance in a solution or mixture, often in scientific or technical contexts. Example: "The experiment was conducted using different concentrations of the chemical to observe its effects on the reaction rate."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

He said that different products had different concentrations of DEET.

The New York Times

"In my own household," he said, "we have four different concentrations.

The New York Times

Makers offer different concentrations, from about 4 to 7percentt, so follow the dosage on the label.

The New York Times - Science

Right now the liquids are sold in two different concentrations, leading to confusion among doctors and parents.

The New York Times - Health

Enkhuizen Lelystad dike clearly separates the different concentrations of sediment and algae in the Markermeer and the IJsselmeer lakes.

The Guardian

(a) At different concentrations.

Nanoscale Research Letters

a, b Different concentrations of cell-filtrate.

Nanoscale Research Letters

(B) Biomass in different concentrations of fructose.

Protein & Cell

c, d Different concentrations of HAuCl4.

Nanoscale Research Letters

They then put the snakes in different concentrations of seawater.

Science Magazine

(D) The kinetic parameters assayed under different concentrations of ATP.

Protein & Cell

Expert writing Tips

Best practice

When discussing experimental design, clarify the specific values or range of the "different concentrations" to provide precise and reproducible information.

Common error

Avoid vague references to "different concentrations" without quantifying the actual values or the method of creating these variations. Always specify the units of measurement (e.g., mg/L, ppm) to ensure clarity and avoid ambiguity.

Linguistic Context

The phrase "different concentrations" functions as a noun phrase, typically used as an object of a preposition or a subject in a sentence. Ludwig provides numerous examples of its usage, demonstrating its role in describing experimental conditions and variations.

Expression frequency: Very common

Frequent in

Science

75%

News & Media

15%

Formal & Business

5%

Less common in

Wiki

3%

Encyclopedias

1%

Reference

1%

Ludwig's WRAP-UP

The phrase "different concentrations" is a common and grammatically correct term used to describe variations in the amount or density of a substance. Ludwig AI confirms its validity and provides numerous examples primarily in scientific and news media contexts. Alternatives include "varying concentrations" and "diverse concentrations". When using this phrase, it's important to specify the units of measurement for clarity and to provide precise values when discussing experimental designs. The phrase functions as a noun phrase and carries a neutral to formal tone. Its frequent use in science emphasizes its role in analytical and experimental contexts.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

varying concentrations

Replaces 'different' with 'varying', emphasizing the changing nature of the concentrations.

diverse concentrations

Substitutes 'different' with 'diverse', highlighting the variety in concentrations.

varied concentrations

Uses 'varied' instead of 'different', suggesting a range of concentrations.

a range of concentrations

Rephrases the term to focus on the 'range', implying a spectrum of concentrations.

multiple concentrations

Emphasizes that there are many concentrations, replacing 'different' with 'multiple'.

various concentrations

Replaces 'different' with 'various', indicating several different concentrations.

distinct concentrations

Uses 'distinct' to highlight that the concentrations are clearly distinguishable.

unequal concentrations

Focuses on the inequality between the concentrations, replacing 'different' with 'unequal'.

differential concentrations

More formal, indicating a difference in concentrations.

graded concentrations

Suggests that the concentrations are arranged in a series or scale.

FAQs

How can I use "different concentrations" in a sentence?

You can use "different concentrations" to describe variations in the amount of a substance within a solution or mixture. For example: "The reaction was tested under "various concentrations" of the catalyst."

What's a good alternative to "different concentrations"?

Depending on the context, alternatives like "varying concentrations", "diverse concentrations", or "a range of concentrations" can be used.

Is it necessary to specify the units when mentioning "different concentrations"?

Yes, specifying units (e.g., mg/mL, molarity) is crucial for clarity and reproducibility, especially in scientific contexts. For example, instead of saying "different concentrations of salt", specify "different concentrations of NaCl (0.1M, 0.5M, 1M)".

How does "different concentrations" relate to dose-response studies?

In dose-response studies, "different concentrations" of a substance are administered to observe the effect on a biological system. By analyzing the response at "various concentrations", researchers can determine the substance's efficacy and toxicity.