The GB/T 742-2018 standard specifies a method for the determination of burnt residues (ash) of papermaking raw materials, pulp, paper and Cardboard at 575 ° C and 900 ° C. This method determines the ash content by burning the sample in a high temperature furnace and measuring the mass of the residue. The standard applies to a variety of papermaking raw materials and paper products to help analyze their mineral content, guide production and quality control processes.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | Y30 | ICS | 85.010 |
| Release Date | 2018-12-28 00:00:00 | Implementation Date | 2019-07-01 00:00:00 |
