TAPPI T 246 : OM 89
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
FOREIGN PARTICULATE MATTER IN PULP BY TRANSMITTED LIGHT
23-07-2020
12-01-2013
Modern bleach pulps are so clean that there is a need for a test which will assess the size and number of foreign particles per unit weight of pulp. There is also a need for a test which is so sensitive to very small size dirt (in the 0.02 to 0.05 squared mm range) to meet the stringent requirements of those mills which can tolerate little, if any, dirt in pulp used for the production of fine papers.
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