GB/T 22877-2008 stipulates the determination method of the residue (ash) of burning paper, Cardboard and pulp at 525 ℃. The standard specifies the test principle, equipment, sample preparation, operation steps and result calculation. By burning the sample at 525 ℃, the ash content can be accurately determined, which is used to evaluate the purity of raw materials and product mass. It provides a scientific and standardized testing basis for paper and pulp production and mass testing to ensure product performance conformity.
| Status | Active |
|---|---|
| CCS | Y30 | ICS | 85.010 |
| Release Date | 2008-12-30 00:00:00 | Implementation Date | 2009-09-01 00:00:00 |