"GB/T 20899.10-2025 Methods for chemical analysis of gold ores, Part 10: Determination of antimony content" is an integral part of the series of standards for gold ore analysis, which stipulates the determination method of antimony content in gold ores. The standard provides a unified technical basis for mineral exploration, smelting and testing institutions to accurately determine the content of antimony in gold ores, which plays an important supporting role in evaluating ore quality, optimizing ore processing and ensuring smelting safety.