several concentrations of

USAGE SUMMARY

The phrase "several concentrations of" is correct and usable in written English.
It can be used when discussing varying levels or amounts of a substance in a scientific or analytical context. Example: "The experiment was conducted using several concentrations of the chemical to determine its effects on plant growth."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

In the five years since the school was revamped, enrollment at Chantilly, which offers several concentrations of study in engineering and health and human services, has tripled, to 1,000 students from 300, Mr. Witmann said.

The New York Times

Several concentrations of Fe ions were implied.

Nanoscale Research Letters

Several concentrations of each phenolic compound were tested.

AMB Express

Several concentrations of DAP were also added to control the tip diameter of tapered nanorods.

Nanoscale Research Letters

Figure 5 Modeled and experimental extinction coefficients for several concentrations of aqueous graphite nanofluids.

Nanoscale Research Letters

Several concentrations of genomic DNA were tested, and 50 ng was used for testing the SNAP primer pairs through PCR.

Rice

Batch hydrolysis was conducted at 130 °C using several concentrations of H2SO4 (2–6%) and residence time (0 120 min).

Chemical Engineering Science

Several concentrations of sucrose solution were used to vary the bulk RI from 1.333 to 1.387 in the sensing region.

Sensors and Actuators B: Chemical

N2 bubbles were generated in glycerol water mixtures with several concentrations of surfactant sodium dodecyl sulfate (SDS).

Chemical Engineering Science

Gas bubbles were generated in glycerol water mixtures with several concentrations of surfactant sodium dodecyl sulfate (SDS).

Chemical Engineering Science

c Cytotoxicity assay of several concentrations of Au NRs@SiO2 versus three kinds of cells CIK, MGC803, and GES-1 cells.

Nanoscale Research Letters

Expert writing Tips

Best practice

When describing experimental setups, specify the units of concentration (e.g., molar, mg/mL) along with the phrase "several concentrations of" to ensure clarity and reproducibility.

Common error

Avoid using "several concentrations of" without specifying the actual concentrations or the range used. Provide specific values or a clear indication of the concentrations tested to allow for proper interpretation and replication of results.

Linguistic Context

The phrase "several concentrations of" functions as a determiner phrase, modifying a noun (e.g., a substance, a drug) to indicate that multiple, distinct amounts or levels of that noun are being considered. As Ludwig AI confirms, this phrase is usable in written English.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Ludwig's WRAP-UP

The phrase "several concentrations of" is a grammatically correct and commonly used expression, particularly within scientific and technical writing. As Ludwig AI indicates, it effectively describes the use of multiple, distinct levels or amounts of a substance, often in an experimental context. While alternatives like ""different concentrations of"" or ""multiple concentrations of"" exist, the key to effective use lies in specifying the actual concentrations or range whenever possible to avoid vagueness. This ensures clarity and reproducibility in research and technical communication. This is a typical phrase of the scientific field.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

different concentrations of

A direct synonym, emphasizing the distinct nature of each concentration.

multiple concentrations of

Emphasizes the multiplicity of concentrations, similar to "several concentrations of".

a range of concentrations of

Highlights the spread or spectrum of concentrations used.

various levels of

Focuses on different levels or degrees, implying a more general context than scientific experiments.

a number of concentrations of

A more general way of saying "several concentrations of", less precise.

diverse concentrations of

Implies a wide variety and heterogeneity in the concentrations.

varying amounts of

Uses "amounts" instead of "concentrations", suitable when precision is less critical.

selected concentrations of

Implies a deliberate choice or selection of specific concentrations.

graded concentrations of

Suggests a systematic progression or scaling in the concentrations.

various titers of

More specific to biological or chemical assays where titer is the measure.

FAQs

How can I use "several concentrations of" in a sentence?

You can use "several concentrations of" to describe the varying amounts of a substance used in an experiment or study. For example, "We tested "different concentrations of" the drug to determine the optimal dosage."

What are some alternatives to "several concentrations of"?

Alternatives include "multiple concentrations of", "a range of concentrations of", or "varying amounts of" depending on the context.

Is it more appropriate to say "several concentrations of" or "various concentrations of"?

"Several concentrations of" and "various concentrations of" are largely interchangeable. The choice depends on personal preference, although ""different concentrations of"" might be slightly more common.

When should I specify the exact concentrations instead of using "several concentrations of"?

It's best to specify the exact concentrations whenever possible, especially in scientific writing, to ensure reproducibility and clarity. "Several concentrations of" is suitable when providing a general overview or when the specific concentrations are not critical to the main point.