Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica (ISO 10058-1:2008)

This technical specification establishes the fundamental procedures for conducting chemical analysis on refractory products composed of magnesia and magnesite. It specifically focuses on the gravimetric determination of silica content, employing a methodology that excludes the use of X-ray fluorescence. The document provides comprehensive guidelines regarding the necessary equipment, reagents, and the process of sample dissolution required to ensure accurate results. It defines the operational parameters and technical requirements for laboratories analyzing these specific materials. By outlining the precise steps for sample preparation and measurement, it aims to maintain consistency and reliability across testing facilities. The standard addresses the critical aspects of the analytical workflow, ensuring that silica quantification is performed with high precision. It serves as a reference for defining the technical scope and execution details involved in assessing the chemical composition of magnesia-based refractories without relying on spectroscopic methods.