|
Product grade |
|
Soft magnetism(HG/T2836-1997),,
Feedstuffs grade, technical grade(Q/ZKH001-1999) |
|
Use: |
|
Materials for electromagnet ferrite, ceramic glaze; feedstuffs additive; also used as micronutrient fertilizer. |
|
|
|
|
|
Quality standard |
|
1, Soft magnetis
|
Index items(based on dry basis) |
Index( %) |
|
Type |
Type |
Type |
|
Top quality |
First quality |
First quality |
Qualified products |
|
Content(based on Mn) |
44. 0~46. 0 |
≥43. 0~46. 0 |
|
Chloride(based on Cl) |
0. 01 |
0. 01 |
0. 01 |
0. 02 |
0. 03 |
|
Sulphate(based on SO4) |
0. 05 |
0. 03 |
0. 03 |
0. 03 |
0. 05 |
|
Silicon dioxide(SiO2) |
0. 01 |
0. 01 |
0. 02 |
0. 02 |
0. 05 |
|
Aluminium(Al)≤ |
0. 01 |
0. 01 |
0. 02 |
0. 02 |
0. 05 |
|
Potassium(K)≤ |
0. 01 |
0. 01 |
0. 01 |
0. 01 |
0. 02 |
|
Sodium(Na)≤ |
0. 02 |
0. 02 |
0. 02 |
0. 02 |
0. 03 |
|
Calcium(Ca)≤ |
0. 03 |
0. 03 |
0. 09 |
0. 30 |
1. 0 |
|
Magnesium(Mg)≤ |
0. 02 |
0. 02 |
0. 05 |
0. 10 |
0. 50 |
|
Lead(Pb)≤ |
0. 01 |
0. 005 |
0. 01 |
0. 01 |
0. 02 |
|
Residue through 45μm screen |
1. 0 |
3. 0 |
3. 0 |
- |
- |
2, Technical grade
|
Index items(based on dry basis) |
Index(%) |
|
First quality |
Second quality |
|
Content(based on Mn≥ |
44 |
43. 0 |
|
Sulphate(based on SO4)≤ |
0. 7 |
1. 0 |
|
Chloride(based on Cl)≤ |
0. 03 |
0. 1 |
|
Granularity, Residue through 45μm screen |
4. 0 |
6. 0 |
3, Feedstuff grade
|
Index items(based on dry basis) |
Index(% ) |
|
Content(based on Mn)≥ |
43. 5 |
|
Sulphate(based on SO4)≤ |
0. 7 |
|
Chloride(based on Cl)≤ |
0. 03 |
|
Heavy metal(based on Pb)≤ |
0. 002 |
|
Cadmium (based on Cd)≤ |
0. 0005 |
|
Arsenic(As)≤ |
0. 0005 |
|
Insoluble substance in (HNO3)≤ |
0. 03 |
|
Fluoride(F) ≤ |
0. 01 |
|
