Читать книгу A Text-book of Paper-making - C. F. Cross - Страница 31

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—As already indicated, the distribution of the ligno-celluloses is extremely wide; they are met with in every variety of vegetable tissue, and their presence is readily ascertained by the reaction of chlorination already described. Of these ligno-celluloses most closely allied to jute, we may mention the stony concretions of pears (glycodrupose) and the main tissue of fir wood (glycolignose).