TAPPI T 221

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Drainage Time of Pulp

Published by	Publication Date	Number of Pages
TAPPI	12/31/2008	7

Category: TAPPI

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TAPPI T 221 – Drainage Time of Pulp

This method describes a procedure to determine numerically a measure of the slowness of stock, particularly groundwood or beaten pulps. Drainage time is not necessarily related to freeness of pulp, which is determined by TAPPI T 227 “Freeness of Pulp.”