TERMIUM Plus®

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

ALPHA CELLULOSE [1 record]

Record 1 2013-08-30

English

Subject field(s)
  • Pulp Preparation (papermaking)
  • Chemical Engineering
DEF

A term used to define the purity of isolated cellulose according to its solubility in alkali.

CONT

The alpha-cellulose is that portion of pulp which does not dissolve in 18% aqueous NaOH. The greater the quantity of alpha-cellulose present, the higher the purity of the material. However, alpha-cellulose is not necessarily pure cellulose, since alkali-soluble glycans may still be combined with it.

OBS

The word "alpha" must be replaced by the corresponding Greek letter.

Key term(s)
  • a-cellulose
  • a cellulose

French

Domaine(s)
  • Préparation de la pâte à papier
  • Génie chimique
DEF

Terme utilisé pour définir la pureté de la cellulose obtenue et relié à sa solubilité en milieu alcalin.

CONT

La cellulose alpha est la fraction de la pâte qui est insoluble dans une solution aqueuse de soude caustique (NaOH) à 18 %. Plus il y a de cellulose alpha, plus la pâte est pure. Cependant, la cellulose alpha n'est pas nécessairement de la cellulose pure puisqu'elle peut être combinée à d'autres polysaccharides solubles en milieu alcalin.

OBS

Le mot «alpha» doit être remplacé par la lettre grecque correspondante.

Key term(s)
  • cellulose a
  • a-cellulose
  • a cellulose

Spanish

Campo(s) temático(s)
  • Preparación de la pasta (fabricación de papel)
  • Ingenieria química
DEF

Tipo de celulosa con el mayor grado de polimerización.

Key term(s)
  • a-celulosa
Save record 1

Copyright notice for the TERMIUM Plus® data bank

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

Features

Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: