TERMIUM Plus®

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PH TESTER PEN [1 record]

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Alphabetical list of terms

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

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© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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