This part of YS/T 521 specifies the method for determining the copper content in blister copper. This section applies to the determination of copper content in blister copper. Measuring range: 97.50%-99.70%.
YS/T 521.1-2009 history
2009YS/T 521.1-2009 Methods for chemical analysis of blister copper.Part 1:Determination of copper content.Iodimetry
2006YS/T 521.1-2006 Blister copper chemical analysis method for determination of copper content