GB/T 38406-2019 in English

This standard specifies a method for determining the tannin content in synthetic tanning agents used in leather chemicals. It outlines the necessary materials, equipment, and procedures for conducting the analysis. The method is applicable to various types of synthetic tanning agents and provides detailed steps for sample preparation, measurement, and calculation. The standard ensures consistency and accuracy in the determination process, facilitating reliable results for quality control and product evaluation. It includes information on the scope of application, reference standards, and safety precautions. The procedures described are designed to be reproducible and suitable for use in laboratories with appropriate facilities and trained personnel. This document serves as a technical guideline for professionals involved in the testing and analysis of leather chemical products.