GB/T 6150.1-2023 《Methods for chemical analysis of tungsten concentrates—Part 1：Determination of tungsten trioxide content—Ammonium tungstate igniting gravimetric method》 Related products

This paper describes the determination method of tungsten trioxide content in tungsten concentrate and its applicable scope, requiring that the content of molybdenum in tungsten concentrate is less than 0.3%, the content of phosphorus is less than 0.3%, and the content of tungsten trioxide is not less than 20%. The necessary reference documents and definitions of terms are standardized, and the determination principles are described in detail, including sample handling, separation, dissolving, determination methods, etc., and the required reagents and materials are listed.