Excerpt from The Determination of the Alpha-Cellulose Content and Copper Number of PaperThe weights of the samples used in the alpha-cellulose and copper number determinations are corrected for moisture content, ash, and sizing materials, and the results are calculated on this corrected weight. Table 4 shows the magnitude of the correction for the sizing materials in the sample.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.