TAPPI UM 251 PDF
TAPPI UM 251 PDF
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  • TAPPI UM 251 PDF

  • TAPPI UM 251 PDF

TAPPI UM 251 PDF

TAPPI UM 251 PDF

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Permanganate number of pulp

TAPPI UM 251 – Permanganate number of pulp

This method provides for the determination of the relative “hardness” or bleachability of chemical pulps (l) having a permanganate number below 35.

This Useful Method covers two variations in a single procedure.One procedure is for low lignin content pulps having a permanganate number less than 20; and a second procedure is for higher lignin conent pulps having permanganate numbers between 20 and 35.For pulps above permanganate number of 35, use TAPPI T 236 “Kappa Number of Pulp.”

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Worldwide Standards PDF © 2024

Published byPublication DateNumber of Pages
TAPPI2013