"GB/T 7979 - 2005 Pulp, Determination of Dichloromethane Extracts" stipulates the determination method of dichloromethane extracts in pulp. The standard specifies the test principle, equipment, reagent requirements and operation procedures. Pulp samples are extracted by dichloromethane, and the content of soluble substances is determined to evaluate the organic impurities such as Resin and wax in pulp. The standard provides unified testing specifications and scientific basis for pulp mass control, process optimization and product performance analysis.
| Status | Abolish |
|---|---|
| CCS | Y30 | ICS | 85.040 |
| Release Date | 2005-09-26 00:00:00 | Implementation Date | 2006-04-01 00:00:00 |