Definición de universal indicator en inglés:

universal indicator

Saltos de línea: uni|ver¦sal in¦di|ca¦tor

sustantivo

[mass noun] Chemistry
A mixture of dyes that changes colour gradually over a range of pH and is used (especially as indicator paper) in testing for acids and alkalis.
Más ejemplos en oraciones
  • The easiest universal indicator to prepare is red cabbage juice.
  • The groups are regular acid-base indicators, mixed indicators, screened indicators, universal indicators, pH sticks, litmus paper (embedded in gel or litmus in a gel), natural food indicators, fluorescent indicators, luminescent indicators, irreversible indicators and a miscellaneous group.

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Palabra del día animalcule
Pronunciación: ˌanɪˈmalkjuːl
noun
a microscopic animal