This part of YS/T 990 specifies the method for determination of copper content in matte. This section applies to the determination of copper content in matte. The measurement range is 20.00%~77.00%.
YS/T 990.1-2014 history
2014YS/T 990.1-2014 Methods for chemical analysis of copper matte.Part 1:Determination of copper content.Iodine titration method