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Full Description

This method describes a procedure for determining the viscosity of 0.5% cellulose solutions, using 0.5M cupriethylenediamine (CED) as a solvent and a capillary viscometer. Measurements may be made on bleached cotton and wood pulps. Conventional kraft pulps with up to 4% lignin, as defined by TAPPI T222 "Acid-Insoluble Lignin in Wood and Pulp" can also be analyzed. The applicability of this procedure to extended delignification pulps has not been determined.
 

Document History

  1. TAPPI T 230 om-23


    Viscosity of Pulp (Capillary Viscometer Method)

    • Most Recent
  2. TAPPI T 230 om-19

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    Viscosity of Pulp (Capillary Viscometer Method)

    • Historical Version
  3. TAPPI T230 om-13


    Viscosity of Pulp (Capillary Viscometer Method)

    • Historical Version
  4. TAPPI T230 om-08


    Viscosity of Pulp (Capillary Viscometer Method)

    • Historical Version
  5. TAPPI T230


    Viscosity of Pulp (Capillary Viscometer Method)

    • Historical Version
  6. TAPPI T230


    Viscosity of Pulp (Capillary Viscometer Method)

    • Historical Version