------+-----------+------------+----------+--------------------+----------- | | | | | | | | | Cooking | Yield of | Caustic |Strength of | | | bone-dry | soda used |caustic soda|Causticity+--------+-----------+ fiber Cook |(percentage| (grams per | of soda | | |(percentage No. |of bone-dry| liter). | solution.| Time |Temperature|of bone-dry | hurds). | | |(hours).| ( deg.C.) | unsieved | | | | | | hurds). ------+-----------+------------+----------+--------+-----------+----------- 293 | 20.6| 100 | 75.3| 3| 166| 294 | 21 | 100 | 75.3| 3| 166| 295 | 21.6| 100 | 75.3| 3| 166| 296 | 20.3| 100 | 75.3| 3| 166| 301 | 21.9| 100 | 82.5| 4| 166| [3] 302 | 24.4| 100 | 82.5| 4| 166| 303 | 24.2| 100 | 84.3| 4| 166| 44.1 304 | 25 | 100 | 84.3| 4| 170| 39.5 305 | 25 | 100 | 84.3| 5| 170| 39.4 306 | 27.8| 107.5| 84.3| 4| 166| 36.5 307 | 26.7| 107 | 84.4| 5| 170| 38.1 308 | 26 | 107 | 84.4| 5| 170|\_ 37.3 309 | 27.3| 107 | 84.4| 5| 170|/ 310 | 27.1| 107 | 84.4| 6| 170| 37.0 311 | 27.2| 107 | 84.4| 6| 170| 36.8 312 | 28.3| 116.5| 85.5| 5| 170| 35.9 313 | 29.1| 113.1| 84.9| 5| 170|\_ 35.2 314 | 29.1| 109 | 83.9| 5| 170|/ 315 | 29.4| 109 | 83.9| 5| 170| 34.9 316 | 30 | 109.5| 84.9| 5| 170| 37.2 317 | 29.6| 109.5| 84.9| 5| 170| 37.0 318 | 29.6| 107 | 84.8| 5| 170| 37.7 319 | 29.4| 107.5| 84.2| 5| 170|\_ 35.4 320 | 29.3| 107.5| 84.2| 5| 170|/ ------+-----------+------------+----------+--------+-----------+----------- [Footnote 3: Stock not used; dirty.] Discussion of the various cooks will be given in connection with the descriptions of those paper tests in which the stocks from the cooks were used, since a stock and its cooking condition can be judged adequately only after it has been put through the various processes and into the finished sheet of paper.