项目
Items |
标准值
Standard |
外观
Appearance |
淡黄色至黄色颗粒及粉末
Light yellow to yellow granules and powders |
20目通过率/(%)
Passing rate:30 Mesh |
≥95.0 |
镁含量/(%)
Assay of magnesium |
38.2-51.8 |
铅(Pb)/(mg/kg)
Lead |
≤3.0 |
总汞(Hg)/(mg/kg)
Total mercury |
≤0.1 |
总砷(As)/(mg/kg)
Total arsenic |
≤1.0 |
镉(Cd)/(mg/kg)
Cadmium |
≤1.0 |
氧化镁颗粒