** GB/T 462-2008 Determination of Moisture in Analytical Samples of Paper, Cardboard and Pulp ** The standard specifies methods for the determination of Moisture content in paper, Cardboard and pulp. The standard incorporates the content of ISO 287:1985 and ISO 638:1978, amending GB/T 462-2003 and GB/T 741-2003. The standard describes in detail the entire process of determining Moisture content from sampling to drying, providing the required instrumentation and operation steps, including Accuracy requirements and specifications for test reports. Compared with the previous version of the standard, new definitions of terms and revisions of sampling methods have been added, ensuring the accuracy and Reliability of measurement results.