CNS 2721-1987
Method of Test for Acid-Insoluble Lignin in Wood and Pulp (English Version)
- Standard No.
- CNS 2721-1987
- Language
- Chinese, Available in English version
- Release Date
- 1987
- Published By
- Taiwan Provincial Standard of the People's Republic of China
- Latest
- CNS 2721-1987
- Scope
- This standard specifies the test method for acid-insoluble lignin in wood, unbleached pulp at all levels and semi-bleached pulp with a lignin content of more than 1%. Remarks 1: The results of this test method do not include the acid-soluble lignin content, which only accounts for 0.2~0.5% of the total lignin content in coniferous trees and kraft wood pulp; but in broad-leaved trees, non-wood fiber and Asian It accounts for about 3~5% of sulfate pulp and semi-bleached pulp.
CNS 2721-1987 history
- 1987 CNS 2721-1987 Method of Test for Acid-Insoluble Lignin in Wood and Pulp
