This part of YS/T 716 specifies the method for determination of tin content in black copper. This section applies to the determination of tin content in black copper. Measuring range: >0.50%-5.00%.
YS/T 716.5-2009 history
2009YS/T 716.5-2009 Methods for chemical analysis of low grade blister.Part 5:Determination of tin content.Potassium iodate titration