exchange capacity

[ɪksˈtʃeɪndʒ kəˈpæsɪti]
nounpl: exchange capacities
capacidade de troca
1. The maximum amount of ions or molecules that a material (such as soil, resin, or membrane) can absorb or exchange per unit mass or volume
The exchange capacity of the ion-exchange resin determines how many contaminants it can remove from water.
A capacidade de troca da resina trocadora de íons determina quantos contaminantes ela pode remover da água.
2. In soil science, the ability of soil to hold and exchange cations or anions with the soil solution
Soils with high exchange capacity retain more nutrients for plant growth.
Solos com alta capacidade de troca retêm mais nutrientes para o crescimento das plantas.
3. The measure of a material's effectiveness in ion exchange processes, typically expressed in milliequivalents per unit
The cation exchange capacity of this clay mineral is 120 meq/100g.
A capacidade de troca catiônica deste mineral de argila é 120 meq/100g.
This is a specialized technical term predominantly used in soil science, chemistry, environmental engineering, and agriculture. It is particularly important in Brazilian agricultural contexts where soil management and fertility are critical. The concept is essential in both Brazilian and international environmental and agricultural practices, with standardized measurement methodologies used across both countries.
Synonyms / Sinônimos
sorption capacityadsorption capacitybinding capacityholding capacity
Antonyms / Antônimos
inertnessimpermeability

Regional Variations

General Brazilian Portuguese
capacidade de troca
Standard term used in soil science and environmental engineering
Portugal
capacidade de permuta
Alternative Portuguese term, less common in Brazil but used in European Portuguese
Technical/Academic Brazilian Portuguese
capacidade de troca iônica
More specific term when referring to ionic exchange processes

Related Words

cation exchange capacity (CEC)anion exchange capacity (AEC)ion exchangeadsorptionsoil chemistrywater treatment

Related Idioms & Phrases

increase exchange capacity
maximize exchange capacity
measure exchange capacity
Look up more words on Fala2Me
The free English-Portuguese dictionary with real Brazilian accents, NYC slang, conjugator and more
Open Fala2Me →