YS/T 244.6-2008 Chemical analysis methods of high purity aluminum—Part 6:Determination of silver content by calalyze reaction system of manganese-persulfric acid method

YS/T 244.1-2008 Chemical analysis methods of high purity aluminum—Part 1:Determination of iron content by 1,10-phenanthroline-thiocyanate photometric method YS/T 244.2-2008 Chemical analysis methods of high purity aluminum—Part 2:Determination of silicon content by extraction-molybdenum blue photometric method YS/T 244.3-2008 Chemical analysis methods of high purity aluminum—Part 3:Determination of titanium content by diantipyrylmethane-thiocyanate photometric method YS/T 244.4-2008 Chemical analysis methods of high purity aluminum—Part 4:Determination of gallium content by butylrhodamine B photometric method YS/T 244.5-2008 Chemical analysis methods of high purity aluminum—Part 5:Determination of copper,zinc and lead content by anodic spripping voltammetric method YS/T 244.7-2008 Chemical analysis methods of high purity aluminum—Part 7:Determination of cadmium content by extraction-dithizone photometric method YS/T 244.8-2008 Chemical analysis methods of high purity aluminum—Part 8:Determination of indium content by extraction-crystal violet photometric method YS/T 244.9-2008 Chemical analysis methods of high purity aluminum—Part 9:Determination of trace impurities in high purity aluminumby inductively coupled mass spectrometry