The current position：Inorganic Chemical
Food grade
|
Index
|
Our standard
|
FAO/ WHO
|
|
MgO%≥
|
98
|
96
|
|
Appearance
|
White Powder
|
-
|
|
Acid Insolubles%≤
|
0.1
|
0.05
|
|
Ignition loss%≤
|
2
|
5.0
|
|
Free alkali%≤
|
2.0
|
-
|
|
Fe %≤
|
0.05
|
-
|
|
soluble salt%≤
|
2.0
|
1
|
|
CaO %≤
|
0.5
|
1.0
|
|
Heavy Metals（Pb）%≤
|
30.0ppm
|
30.0ppm
|
|
As %≤
|
3.0ppm
|
3.0ppm
|
Industrial grade
|
Index
|
Our standard
|
|
MgO % ≥
|
96.0
|
|
CaO% ≤
|
0.10
|
|
Salt Insoluble % ≤
|
0.08
|
|
Residue150um) % ≤
|
0.02
|
|
SO4% ≤
|
0.05
|
|
Fe% ≤
|
0.01
|
|
Mn % ≤
|
0.003
|
|
Cl% ≤
|
0.12
|
|
Ignition Loss % ≤
|
3.5
|
|
Bulk Density (g/ml)
|
0.167
|