weak concentrations

USAGE SUMMARY

The phrase "weak concentrations" is correct and usable in written English.
It can be used in contexts discussing solutions, mixtures, or levels of substances that are not strong or potent. Example: "The experiment required weak concentrations of the chemical to ensure safety during the reaction."

✓ Grammatically correct

Science

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

In certain situations, very weak concentrations of DDT or malathion are used (one or two ounces per hundred gallons, in contrast to the usual one or two pounds per hundred gallons).

The New Yorker

If an embryo is deprived of oxygen or subjected to weak concentrations of poisons, the first parts to suffer are the most morphogenetically active ones.

Encyclopedia Britannica

Moreover, it has been shown that the original design of the fiber enables detection of weak concentrations of pollutants down to 1 ppm.

Journal of Non-Crystalline Solids

Moreover, it is shown that the original design of the fiber enables detection of weak concentrations of pollutants down to 1 ppm of C2Cl4.

Sensors and Actuators B: Chemical

To mimic the fluoxetine-induced increase of 5-HT levels, fourteen other preparations were subjected to aCSF 7.4) containing weak concentrations of exogenous 5-HT for 20 min. Two different concentrations of 5-HT were used, 1 µM (n = 7) and 5 µM (n = 7).

Plosone

The same applies to seaweed or fish emulsion tonics which have a high excess of salt - use them often, but in very weak concentrations.

WikiHow

Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

The WST-1 results shown in Figure 2B depict both a weak concentration- and time-dependent cytotoxicity profile.

Nanoscale Research Letters

In the present paper, we consider only the case s ≥ 0 (suction) and n = 1 / 2 (weak concentration).

Boundary Value Problems

In the present nanofluide study we have weak concentration but strong buoyancy forces wich is similar to the classical binary mixtures [31].

Nanoscale Research Letters

The case n = 1 / 2 indicates the vanishing of the antisymmetrical part of the stress tensor and denotes weak concentration (Ahmadi [32]), which is the case considered in the present study.

Boundary Value Problems

In contrast, gefitinib developed weak, concentration-dependent cytotoxicity (IC50≈51  μ M) against HeLa cells.

British Journal of Cancer

Expert writing Tips

Best practice

When describing the strength of a solution or mixture, consider using "weak concentrations" to indicate a low level of the active ingredient. This term is particularly useful in scientific and technical contexts.

Common error

Avoid using "weak concentrations" when you actually mean a small quantity. "Weak" refers to potency or strength, not necessarily the amount. Use "small amounts" or "low quantities" if you're referring to volume or mass.

Linguistic Context

The phrase "weak concentrations" functions as a noun phrase, where the adjective "weak" modifies the noun "concentrations". It describes the state of having a low potency or low amount of a substance within a solution or mixture. As Ludwig AI explains, the phrase is usable in written English.

Expression frequency: Uncommon

Frequent in

Science

75%

News & Media

12%

Wiki

13%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "weak concentrations" is a grammatically correct and usable term to describe solutions or mixtures that have a low potency of a substance. Ludwig AI confirms its validity. It's most commonly found in scientific, news, and wiki contexts. Alternative phrases like "low concentrations" or "dilute concentrations" can be used depending on the desired nuance. A key writing tip is to ensure "weak" refers to potency, not merely quantity. Be aware that "weaker concentrations" implies a comparative relationship, while "weak concentrations" describes a general state. This term is valuable in fields that require precise descriptions of the intensity or strength of solutions.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

low concentrations

Emphasizes the quantity or amount being small.

low-level concentrations

Similar to "low concentrations" but with slightly more emphasis on the level.

dilute concentrations

Focuses on the process of reducing the strength of a solution.

reduced concentrations

Focuses on the change from a higher level to a lower one.

attenuated concentrations

Suggests a weakening or reduction in strength over time.

minimal concentrations

Focuses on the bare minimum amount required.

mild concentrations

Implies a gentle or non-irritating level of intensity.

trace amounts

Highlights the extremely small quantity present.

feeble concentrations

Emphasizes the lack of strength or potency.

insignificant concentrations

Highlights the lack of noticeable impact due to the low level.

FAQs

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

You can use "weak concentrations" to describe solutions or mixtures that have a low potency of a particular substance. For instance, "The experiment required "weak concentrations" of the acid to avoid damaging the sample".

What are some alternatives to saying "weak concentrations"?

Alternatives include "low concentrations", "dilute concentrations", or "trace amounts", depending on the specific context and the nuance you want to convey.

Is it better to say "weaker concentrations" or "weak concentrations"?

"Weak concentrations" is generally used to describe a state, while "weaker concentrations" implies a comparison or a change from a stronger concentration. For example, "We used "weak concentrations" initially, then switched to "weaker concentrations" as the experiment progressed".

In what contexts is it appropriate to use the term "weak concentrations"?

The term "weak concentrations" is suitable in scientific, medical, or technical contexts where the strength or potency of a solution is being discussed. It's often used when describing chemical solutions, medications, or environmental pollutants.