in the same concentration vs at the same concentration

Both 'in the same concentration' and 'at the same concentration' are correct and commonly used in English. They can be used interchangeably depending on the context.

Last updated: March 30, 2024 • 3101 views

in the same concentration

This phrase is correct and commonly used in English.

This phrase is used to indicate that something is present in a particular concentration level. It is commonly used in scientific contexts.

Examples:

The two solutions are in the same concentration.
The chemicals need to be mixed in the same concentration.

Show examples from the web [+]

These transient changes started in the same concentration range as after maximum recommended clinical dosing.
Potassium chloride in the same concentration was also identified in the syringe found in Rosie's locker.
the same dangerous constituents present in the same concentration range,
Classify the formulation according to the most hazardous constituent of the mixture as if that constituent were present in the same concentration as the total concentration of all active constituents;
On the basis of the scientific assessment of those substances their use should be allowed in products intended for colouring eyelashes in the same concentrations as in hair dye products.
There is a benefit in having the same activity concentration values both for the exemption of practices from regulatory control and for the clearance of materials from authorised practices.
As Aerius oral solution contains the same concentration of desloratadine, no bioequivalence study was required and it is expected to be equivalent to the syrup and tablet.
Because they draw and paint their faces with the same concentration as Michelangelo working on the Sistine Chapel.
All test solutions must contain the same concentrations of growth medium and initial biomass of test algae.
Perkin Elmer AmpliTaq and buffer can also be used at the same concentrations.
However, the safety of Aerius syrup, which contains the same concentration of desloratadine, was demonstrated in three paediatric trials.
The Commission encourages the undertakings concerned to facilitate the international cooperation between the Commission and other competition authorities reviewing the same concentration.
Furthermore, the Commission encourages the undertakings concerned to submit waivers of confidentiality that would enable the Commission to share information with other competition authorities outside the EEA reviewing the same concentration.
However, two or more transactions within the meaning of the first subparagraph which take place within a two-year period between the same persons or undertakings shall be treated as one and the same concentration arising on the date of the last transaction.
The concentration of solvent should not exceed 100 μl/l, and the same concentration of solvent should be added to all cultures (including controls) in the test series.
Where a solvent is used, its final concentration should not be greater than 0,1 ml/l (36) and it should be the same concentration in all test chambers, except the dilution water control.
The SCCS indicated that induction and elicitation would be less likely in a rinse-off product than when the same concentration is present in a leave-on product.
If there is evidence of greater variability between replicates within the same concentration than a binomial distribution would indicate (often referenced as "extra-binomial" variation), then a robust Cochran-Armitage or Fisher exact test such as proposed in (21), should be used.
If the toxicity of the test chemical is to be determined, prepare a further solution in mineral medium containing both test and reference chemicals at the same concentrations as in the individual solutions.
When a solvent is used to solubilise the test substance, additional controls containing the solvent at the same concentration as used in the test cultures must be included in the test design.

Alternatives:

at the same concentration
with the same concentration
of the same concentration
at an equal concentration
in equal concentrations

at the same concentration

This phrase is correct and commonly used in English.

This phrase is also used to indicate that something is present in a particular concentration level. It is commonly used in various contexts, including scientific and everyday language.

Examples:

The samples were tested at the same concentration.
Both solutions were prepared at the same concentration.

Show examples from the web [+]

When a solvent is used to solubilise the test substance, additional controls containing the solvent at the same concentration as used in the test cultures must be included in the test design.
When a solvent is used to solubilise the test chemical, additional controls containing the solvent at the same concentration as used in the test cultures must be included in the test design.
If an auxiliary solvent or dispersant is used, an additional control treatment with the solvent/dispersant present at the same concentration as that in the vessels with the test substance should be included.
Perkin Elmer AmpliTaq and buffer can also be used at the same concentrations.
If the toxicity of the test chemical is to be determined, prepare a further solution in mineral medium containing both test and reference chemicals at the same concentrations as in the individual solutions.
If required, use one flask to check the possible inhibitory effect of the test chemical by adding both the test and reference chemicals at the same concentrations as present in the other flasks.
If the toxicity of the test chemical is to be determined, prepare a further solution in mineral medium containing both test and reference chemicals at the same concentrations as in the individual solutions.
The Committee specified that the substance was safe when used at the same maximum concentration in deodorants and anti-perspirants, as a preservative and/or an active ingredient.
It is not sufficient that an agreement has been entered into in the same context or at the same time as the concentration.
However, in case a solvent is necessary, a solvent control should be run in parallel, at the same solvent concentration as the chemical treatments.
If needed, vessels (denoted FI) for checking a possible inhibitory effect of the test chemical containing both the test chemical and reference chemical at the same concentrations (paragraph 24) as in bottles FT and FC, respectively;
These transient changes started in the same concentration range as after maximum recommended clinical dosing.
As Aerius oral solution contains the same concentration of desloratadine, no bioequivalence study was required and it is expected to be equivalent to the syrup and tablet.
Because they draw and paint their faces with the same concentration as Michelangelo working on the Sistine Chapel.
All test solutions must contain the same concentrations of growth medium and initial biomass of test algae.
the same dangerous constituents present in the same concentration range,
However, the safety of Aerius syrup, which contains the same concentration of desloratadine, was demonstrated in three paediatric trials.
The Commission encourages the undertakings concerned to facilitate the international cooperation between the Commission and other competition authorities reviewing the same concentration.
Furthermore, the Commission encourages the undertakings concerned to submit waivers of confidentiality that would enable the Commission to share information with other competition authorities outside the EEA reviewing the same concentration.
Potassium chloride in the same concentration was also identified in the syringe found in Rosie's locker.

Alternatives:

in the same concentration
with the same concentration
of the same concentration
at an equal concentration
in equal concentrations

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in the same concentration vs at the same concentration