EN ISO 1061-1999 标准详情
- 标准号:EN ISO 1061-1999
- 中文标题:塑料 未赠塑的乙酸纤维素 游离酸度的测定
- 英文标题:Plastics - Unplasticized cellulose acetate - Determination of free acidity (ISO 1061:1990)
- 标准类别:欧盟标准EN
- 发布日期:1999/06/01
Defines a method for the determination of the amount of free acid in unplasticized cellulose acetate. Includes acidity extractable by water and acidity due to acidic groups directly attached to the cellulose acetate, e.g. carboxyl groups. The latter
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