TERMIUM Plus®

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

INDICE PERMANGANATE [2 records]

Record 1 1998-10-15

English

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

A value which is related to the lignin content of the pulp, and therefore the bleaching chemical demand.

CONT

The K number is the number of millilitres of 0.1 mol/L KMnO4 (permanganate) solution reduced by 1 g of oven-dried pulp. Two volumes of KMnO4, 25 and 40 mL, are used to suit pulps of lower and higher lignin contents respectively.

OBS

... the K number is not as precise as Kappa Number over a wide range of lignin content.

French

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

Valeur reliée à la teneur en lignine de la pâte et, par conséquent, à la demande d'agents de blanchiment. L'indice est calculé à partir du permanganate de potassium inaltéré après une réaction avec un échantillon de pâte dans certaines conditions.

Spanish

Save record 1

Record 2 1981-07-13

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Environmental Studies and Analyses

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Études et analyses environnementales
OBS

(sans sigle) John Rogalsky, Centre canadien des eaux intérieures, Burlington (Ont.) Sigles, chimie. SG 21/1/81.

Spanish

Save record 2

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