YS/T 575.3-2006 in English

This standard specifies a method for the chemical analysis of bauxite ores, focusing on the determination of silica content using the molybdate blue photometric method. It outlines the necessary reagents, apparatus, and procedural steps to ensure accurate and consistent results. The method is applicable to samples that require precise measurement of silica levels, contributing to the overall quality assessment of the material. The procedure includes sample preparation, digestion, and the subsequent photometric measurement. Detailed instructions are provided for calibration, measurement conditions, and the calculation of results. This document serves as a reference for laboratories and professionals involved in the analysis of bauxite ores, ensuring uniformity in testing procedures across different facilities. It emphasizes the importance of proper technique and adherence to specified parameters throughout the analytical process.