buffer solution
[ˈbʌfər səˈluːʃən]
nounpl: buffer solutions
solução tampão
1. A chemical solution that resists changes in pH when small amounts of acid or base are added to it, typically composed of a weak acid and its conjugate base or a weak base and its conjugate acid
The laboratory technician prepared a buffer solution to maintain a stable pH during the experiment.
O técnico de laboratório preparou uma solução tampão para manter um pH estável durante o experimento.
2. In biochemistry, a solution used to maintain consistent pH conditions in biological systems and chemical reactions
Buffer solutions are essential for enzyme assays because enzymes are sensitive to pH changes.
As soluções tampão são essenciais para ensaios enzimáticos porque as enzimas são sensíveis a mudanças de pH.
Buffer solutions are fundamental concepts in chemistry education and laboratory practice in both Brazil and the USA. In Brazilian universities, the term 'solução tampão' is the standard term found in chemistry textbooks and laboratory manuals. In Portugal, 'solução amortecedora' is sometimes used, though 'tampão' is also understood. This is primarily technical terminology used in academic and professional scientific settings rather than everyday language.
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