in what concentrations

USAGE SUMMARY

The phrase "in what concentrations" is correct and usable in written English.
You can use it when asking about the specific amounts or levels of a substance in a solution or mixture. Example: "In what concentrations should I mix the chemicals for the experiment?"

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

The E.P.A. is conducting a national study on the drinking water risks associated with hydrofracking, but assessing these risks has been made more difficult by companies' unwillingness to publicly disclose which chemicals and in what concentrations they are used, according to internal e-mails and draft notes of the study plan.

The New York Times - Science

What's worse, there's no way of knowing which toxic chemicals and heavy metals are entering the wastewater stream at any given time or in what concentrations.

Huffington Post

Third, and of direct relevance to modeling intracellular environments, the simulator can choose which molecules to include in the system and in what concentrations.

Chemical Reviews

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

Along with the other caveats, she said, without knowing the total amount of oil flowing into the Gulf it's impossible to estimate how much oil might reach the Atlantic, and in what concentration.

Science Magazine

Scientists can't say with confidence how much pot, in what concentration, used in what period of time, will reliably make someone "high".

Vice

The main purpose of your prescription is to let the pharmacist know what drug you need in what concentration.

WikiHow

In order to determine what concentrations of MAA-Alb would result in cell death of HECs, cells were isolated from chow-fed rats and stimulated with increasing doses of the antigen.

BMC Anesthesiology

It is important to consider these concentrations in the context of what concentrations of formaldehyde are known to cause sensory irritation.

Critical Reviews in Toxicology

Determining urinary concentrations of PAHs and PCBs would be important to confirm that such compounds are present in this organ and what concentrations are responsible for such high-level CYP1A1 expression.

Environmental Health Perspectives

If formaldehyde could induce systemic DNA dam age, what concentrations in the nose would it take to reach levels higher than endogenous formalde hyde DNA adduct levels in the NALT or circulating HSCs to cause a sufficient level of DNA damage that would induce cell proliferation in the bone marrow?

Critical Reviews in Toxicology

"We do not know how long hydraulic fracture chemicals persist in produced water or at what concentrations or how these change in time, which means that hazardous levels of contaminants … cannot be ruled out".

Los Angeles Times

Expert writing Tips

Best practice

When asking about the amount of a substance, specify the units of measurement to ensure clarity (e.g., "In what concentrations - parts per million, milligrams per liter - should the solution be prepared?").

Common error

Avoid using "in what concentrations" in informal contexts where simpler language, such as "how much" or "what amount", would be more appropriate.

Linguistic Context

The phrase "in what concentrations" functions as an interrogative prepositional phrase, typically used to inquire about the specific amounts or levels of a substance. It's used to elicit information regarding the quantity of a substance within a solution or mixture. As Ludwig AI confirms, it is correct and usable.

Expression frequency: Uncommon

Frequent in

Science

50%

News & Media

40%

Wiki

10%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "in what concentrations" is a grammatically sound and usable interrogative prepositional phrase used to inquire about specific amounts or levels of a substance. As Ludwig AI states, it is indeed correct to use the phrase. While not exceptionally frequent, it commonly appears in scientific, technical, and news contexts. When using this phrase, be mindful of the intended audience and adjust the formality accordingly. For simpler contexts, consider alternatives like "how much" or "at what levels". Examples from Ludwig highlight its use in diverse scenarios, such as environmental studies, drug prescriptions, and material science.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

at what levels

Replaces "concentrations" with "levels" offering a slightly less technical term.

in which amounts

Substitutes "concentrations" with the more general term "amounts", suitable for less scientific contexts.

what are the concentrations

Transforms the phrase into a direct question format, explicitly asking for the values.

at what dosage

Focuses specifically on the amount of a substance administered, often in a medical context.

in what proportions

Emphasizes the relative amounts of different components within a mixture.

what concentration levels

Reorders the words and adds "levels" for emphasis, without changing the core meaning.

what are the quantities

Uses "quantities" to refer to the measured amounts, suitable for various contexts.

to what extent concentrated

This version focus on level of concentration.

what is the concentration range

Asks for a spectrum of concentrations rather than a single value.

how much of each

Simplifies the question to focus on the quantity of individual components.

FAQs

How do I use "in what concentrations" in a sentence?

Use "in what concentrations" when inquiring about the specific amounts or levels of a substance. For example: "In what concentrations is the chemical harmful?"

What phrases are similar to "in what concentrations"?

Alternatives include "at what levels", "in which amounts", or "what are the concentrations", depending on the context.

Is "in what concentrations" formal or informal?

"In what concentrations" is generally considered a formal phrase, suitable for scientific, technical, or professional contexts. Simpler phrasing may be more appropriate for informal settings.

What's the difference between "in what concentrations" and "how much"?

"In what concentrations" is more specific and typically used when referring to precise measurements or levels. "How much" is more general and can refer to quantity or amount without specific measurement units.