Betekenis van:
litmus

litmus
Zelfstandig naamwoord
  • lakmoes
  • a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator

Synoniemen

Hyperoniemen


Voorbeeldzinnen

  1. Since primary school we've been checking for the qualities known as acidity and alkalinity with litmus paper.
  2. When investigating the pH (acidic, neutral, alkaline) of a liquid, don't soak the litmus paper completely in the liquid but just put the end of the paper in it.
  3. Acid to litmus
  4. Neutral to litmus
  5. pH of a 1 % colloidal solution Neutral to litmus
  6. Acidity of a 5 % solution: neutral or slightly alkaline to litmus paper
  7. The solution must be alkaline to litmus paper; otherwise add some magnesium oxide (3.2).
  8. pH of a 1 % colloidal solution Neutral to litmus Arsenic Not more than 3 mg/kg Lead
  9. Run out the excess acid to just above the resin surface and wash the column with water until the effluent is neutral to litmus.
  10. 1 g dissolves in 2 ml of cold water forming a solution which flows readily and is acid to litmus, insoluble in ethanol
  11. The white precipitate formed by acidifying with hydrochloric acid a 10 % (w/v) aqueous solution of the sodium derivative of methyl p-hydroxybenzoate (using litmus paper as indicator) shall, when washed with water and dried at 80 oC for two hours, have a melting range of 125 oC to 128 oC