将酸性材料加入到乙酸纤维素溶液中，和进行过滤。
An acidic material is added to the cellulose acetate solution, and the filtration is preformed.
采用由纤维素纤维形成的过滤介质过滤乙酸纤维素溶液。
A cellulose acetate solution is filtrated with a filter medium formed of cellulose fiber.
工业用途：溶于水、碱水溶液、氨和纤维素溶液，不溶于有机溶液、矿物油的无色无定型物。
Industrial application: soluble in water, aqueous alkali, ammonia and cellulose solution, colorless and insoluble in organic solution, mineral oil amorphous substance.
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