Certificate of Analysis
Products name：Magnesium oxide FEED GRADE(POWDER)
Item Standard Results
MgO : ≥90.0% 90.60%
CaO： ≤ 1.4% 0.71％
SiO2: ≤14% 1.90％
Fe2O3： ≤0.6% 0.57％
Al2O3： ≤ 0.8% 0.43％
Loss on Lgnition ≤17% 5.61％
As : ≤5ppm ≤5ppm
Cd: ≤10ppm ≤10ppm
Pb ≤10ppm ≤10ppm
Hg ≤50ppm ≤50ppm
Heavy metal（as Pb） ≤30ppm ≤30ppm
Result: conform to GB13078-2001.
Analyst: YUTAO