TAPPI UM 251

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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.”

Product Details

Edition:

1st

Published:

2013

Number of Pages:

5

File Size:

1 file , 180 KB