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CUPRIETHYLENEDIAMINE [1 record]

Record 1 1998-10-15

English

Subject field(s)
  • Chemical Elements and Compounds
  • Pulp Preparation (papermaking)
Universal entry(ies)
DEF

An aqueous solution which is capable of dissolving cellulose and hemicellulose in the pulp fibres and used in a standard procedure to determine the viscosity of a solution of pulp.

French

Domaine(s)
  • Éléments et composés chimiques
  • Préparation de la pâte à papier
Entrée(s) universelle(s)
DEF

Solution aqueuse composée de cuivre, d'éthylène diamine et d'hydroxyde de sodium qui peut dissoudre la cellulose et les hémicelluloses contenues dans les matières fibreuses. On l'emploie dans une méthode normalisée (G.24P) permettant de mesurer le degré de viscosité d'une suspension fibreuse. Il est possible d'estimer la masse moléculaire moyenne de la cellulose à partir de l'indice de viscosité.

Spanish

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