initial concentration

[ɪˈnɪʃəl kənˌsɛntˈreɪʃən]
nounpl: initial concentrations
concentração inicial
1. The amount of a substance dissolved or present in a solution or mixture at the beginning of a chemical reaction or experimental process
The initial concentration of the reactant was 0.5 mol/L.
A concentração inicial do reagente era 0,5 mol/L.
2. The starting level or quantity of a solute in a solvent before any chemical change occurs
We measured the initial concentration before adding the catalyst.
Medimos a concentração inicial antes de adicionar o catalisador.
3. In kinetics and analytical chemistry, the baseline concentration used to calculate reaction rates and equilibrium constants
The initial concentration affects the rate of reaction significantly.
A concentração inicial afeta significativamente a velocidade da reação.
This is a technical term used universally in chemistry, biochemistry, and pharmaceutical sciences across both Brazil and the United States. It is primarily found in academic, laboratory, and industrial contexts where precision in chemical measurements is essential. The term remains consistent across Portuguese-speaking regions and is fundamental to chemistry education worldwide.
Synonyms / Sinônimos
starting concentrationinitial amountbaseline concentrationoriginal concentration
Antonyms / Antônimos
final concentrationequilibrium concentrationterminal concentration

Regional Variations

General Brazilian Portuguese
concentração inicial
Standard term used in chemistry and laboratory contexts
São Paulo
concentração inicial
Common in academic and industrial chemistry settings
Rio de Janeiro
concentração inicial
Used consistently in universities and research institutions
Portugal
concentração inicial
Identical usage in Portuguese chemistry education and industry

Related Words

concentrationchemical reactionsolutemolaritykineticsequilibriumrate constant

Related Idioms & Phrases

from the initial concentration
based on initial concentration
relative to initial concentration
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