"GB/T 2677.9-1994 Determination of polypentose content in papermaking raw materials" regulates the determination method of polypentose content in papermaking raw materials. The standard covers the determination principle, required reagents and instruments, sample preparation and operation steps, and clarifies the calculation method of the results. It provides a basis for scientific and accurate determination of polypentose content in papermaking raw materials, helps to evaluate the performance of raw materials, and guides the selection and quality control of raw materials for papermaking production.
| Status | Active |
|---|---|
| CCS | Y30 | ICS |
| Release Date | 1994-09-24 00:00:00 | Implementation Date | 1995-03-01 00:00:00 |