Betekenis van:
litmus paper
litmus paper
Zelfstandig naamwoord
- lakmoespapier
- unsized paper treated with litmus for use as an acid-base indicator
Hyperoniemen
Voorbeeldzinnen
- Since primary school we've been checking for the qualities known as acidity and alkalinity with litmus paper.
- 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.
- Acidity of a 5 % solution: neutral or slightly alkaline to litmus paper
- The solution must be alkaline to litmus paper; otherwise add some magnesium oxide (3.2).
- 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