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- 15 巻 (1939) 2 号
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パルプ及びパルプ用材の研究(第2報)
滿洲材を原料とするパルプ製造試驗(II)
ジャーナル
フリー
1939 年 15 巻 2 号 p. 54-58
詳細
- 発行日: 1939 年 受付日: - J-STAGE公開日: 2008/11/27 受理日: 1938/12/06 早期公開日: - 改訂日: -
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訂正情報
訂正日: 2008/11/27 訂正理由: - 訂正箇所: 論文受付日 訂正内容: 訂正前 : 19381206
訂正日: 2008/11/27 訂正理由: - 訂正箇所: 論文抄録 訂正内容: Wrong : Seven kinds of Manchurian wood, including spruce, fir and aspen, were examined by the author (Cellulose Industry, 1938, 14, 7) from the standpoint of using them as pulpwoods. In the present paper the results of additional researches are given on the three species of them, namely Piceaobovata Ledeb. (spruce), Abies nepherolepis Max. (fir) and Populus Maximowiczii A. Henry (aspen).
Cooking conditions, and Yield and Qualities of the resulting unbleached and bleached pulps are shown in Table 1 and 2. From the results of the experiments the following conclusion may be obtained.
Table 1. Cooking Conditions; Yield and Qualities of Unbleached Pulps.
Table 2. Yield and Qualities of Bleached Pulps.
None of the woods examined in this paper are difficult to be digested by the sulfite process, especially aspen is most amenable to pulping. Within a range of experiments spruce is slightly more resistant to treatment than fir, but yield of pulp and content of α-cellulose in the bleached pulp are somewhat higher in the former. Content of pentosan of aspen pulp is higher than that of conifers pulp with the same Sieber value.
訂正日: 2008/11/27 訂正理由: - 訂正箇所: PDFファイル 訂正内容: -
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