sequestering agent
[sɪˈkwɛstərɪŋ ˈeɪdʒənt]
nounpl: sequestering agents
agente quelante
1. A chemical compound that binds to metal ions in solution, preventing them from participating in chemical reactions or precipitating out of solution
EDTA is a common sequestering agent used to chelate heavy metals in water treatment.
EDTA é um agente quelante comum usado para quelar metais pesados no tratamento de água.
2. In detergents and cleaning products, a substance that prevents mineral ions (such as calcium and magnesium) from interfering with cleaning action
The sequestering agent in the dishwasher powder helps prevent hard water spots on glassware.
O agente quelante no pó da máquina de lavar louça ajuda a prevenir manchas de água dura no vidro.
3. In industrial and food processing, a compound that stabilizes metal ions and improves product shelf life
Citric acid acts as a sequestering agent in canned foods to maintain color and prevent oxidation.
O ácido cítrico atua como agente quelante em alimentos enlatados para manter a cor e prevenir oxidação.
This is a technical term primarily used in chemistry, water treatment, industrial cleaning, and food processing sectors. It is more common in academic and industrial contexts than in everyday conversation. In Brazil, the term 'agente quelante' is the standard terminology in both Portuguese-language scientific publications and industry standards, whereas in Portugal the same term is used but may occasionally be supplemented with 'agente de complexação' in specialized contexts.
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