Inspection item

         Standard

     Result

     Appearance

White crystallized powder

     Powder

Ammonium persulphate

         98.5% min

     98.7%

     Active oxygen

         6.91% min

     6.92%

Residue after ignition

         0.02% max

     0.01%

Chloride and chlorate

         0.001% max

    0.0007%

     Manganese

       0.00005% max

     0.00003%

       Iron

         0.0005% max

     0.0003%

Heavy metals

         0.0005% max

     0.0003%

Moisture

         0.10% max

     0.07%