TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

PH INDICATOR PAPER [3 records]

Record 1 2022-07-24

English

Subject field(s)
  • Equipment (Chemistry)
  • Analytical Chemistry
DEF

A pen whose color-changing ink indicates if a paper or a paperboard is acidic or alkaline.

CONT

The pH testing pen is easy to use; simply draw a small line on the material you wish to test. The Chlorophenol red indicator solution in the pen will turn purple on any paper with a pH of 6. 8 and above. A clear or yellow colour indicates the material is probably unsuitable for conservation purposes.

Key term(s)
  • archivist pen

French

Domaine(s)
  • Équipement (Chimie)
  • Chimie analytique
DEF

[Stylo] à embout de feutre [permettant] de déterminer rapidement et à sec si le pH d'un papier ou d'un carton est acide ou alcalin.

OBS

Même s'il s'agit de deux notions différentes, certains auteurs utilisent les termes «crayon indicateur de pH» et «crayon testeur de pH» pour désigner le stylo pH.

Spanish

Save record 1

Record 2 2022-07-24

English

Subject field(s)
  • Equipment (Chemistry)
  • Analytical Chemistry
  • Paper or Paperboard Goods
DEF

[A piece of paper] stained with ... a chemical solution that produces many different colour changes corresponding to different pH levels.

OBS

Not to be confused with litmus paper.

French

Domaine(s)
  • Équipement (Chimie)
  • Chimie analytique
  • Objets en papier ou en carton
DEF

[...] papier imprégné d'un mélange d'indicateurs colorés acido-basiques convenablement choisis pour obtenir un changement de couleur pour chaque unité de valeur de pH.

OBS

Ne pas confondre avec le papier tournesol.

Spanish

Save record 2

Record 3 2021-07-28

English

Subject field(s)
  • Equipment (Chemistry)
  • Analytical Chemistry
  • Paper or Paperboard Goods
OBS

[pH] paper is used to determine if a solution is acidic, basic or neutral. This is determined by dipping part of the paper into a solution of interest and watching the color change.

French

Domaine(s)
  • Équipement (Chimie)
  • Chimie analytique
  • Objets en papier ou en carton
CONT

La mesure à l'aide du papier pH consiste à tremper le papier pH dans la solution dont on veut connaître le pH. Le papier change quasi-instantanément de couleur.

Spanish

Save record 3

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