Results of inspection

外观：apperance    white powder       white powder

含量assay(%)     98.0~-99.5             99.32%

水分water(%)     0.4-1.0                0.4%

灰份：ash         0.05-0.2               0.06

熔点melt         286-289℃             288℃

色泽 color        30-50                 35