| CAS No.: | 7758-99-8/7446-20-0/7782-63-0 |
|---|---|
| Certification: | CCIC, CIQ, ISO |
| Purity: | 90%~99% |
|
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| Testing Item | Standard | Result |
| Purity | ≥98% | 98.50% |
| Manganese(Mn) | ≥31.8% | 31.94% |
| Arseni(As) | ≤5PPM | 1.00PPM |
| Heavy Metal (Pb) | ≤10PPM | 6.00PPM |
| Cadmiu(Cd) | ≤10PPM | 7.00PPM |
| Water Insoluble | ≤0.05% | 0.03% |
| Size(Pass 0.5mm) | ≥95% | PASS |
Product name: Zinc Sulphate crystal heptahydrate feed grade /fertilizer grade
Chemical formula: ZNSO4•7H2O
CAS: 7446-20-0
Product performance:
In agriculture: Used as a trace element fertilizers, feed additives, It can be used for the preparation of zinc medicine, astringents, etc.
In industry: Used in making Lithopone, and used as a mordant, astringents, wood preservatives, Zinc sulfate heptahydrate can be used as mordant dyeing, wood preservatives, paper bleaching agent, it can be also used in medicine, synthetic fibers, electrolysis, electroplating, pesticides and production of zinc, etc.
|
Testing Item |
Standard |
Result |
|
Zinc sulfate/% |
≥97.3 |
97.9 |
|
Zinc(Zn)/% |
≥21 |
21.4 |
|
Arseni (As)/% |
≤0.0005 |
0.0003 |
|
Heavy Metal (Pb)/% |
≤0.0010 |
0.0004 |
|
Cadmiu(Cd)/% |
≤0.0010 |
0.0008 |
|
Water Insoluble/% |
≤0.05% |
0.018% |
|
Note: When a user with special requirements for fineness, negotiated by the supply and demand sides |
||
Product name:Ferrous Sulphate Heptahydrate water treatment/ fertilizer grade
Chemical formula:FESO4•7H2O
CAS:7782-63-0
Product performance:
It is used in synthetic fiber industry, preservative, material of printing and dyeing and be used in medical for fungicide and emetic, and in electroplate, water purifiction etc.
Storage: Stockpiled at the ventilated place, avoiding rain, moisture and insolation. Please handle with care to prevent bag damage, store away from toxic substances.
Packing: Net 25kg/1000kg/1200kg in Plastic woven bags with PE lining
Loading: 27MT/20FCL'; 25MT/20FCL' with pallets
Shelf Life: Two years when properly stored
|
Testing Item |
Standard |
Result |
|
Appearance |
blue crystal, odorless |
conforms |
|
Solubility |
soluble in water and alcohol |
conforms |
|
Content (on dry basis)/% |
≥98.50 |
99.90 |
|
Copper(Cu)/% |
≥25.10 |
25.20 |
|
Heavy Metal(Pb)/% |
≤0.0050 |
0.0010 |
|
Arseni(As)/% |
≤0.0040 |
0.0020 |
|
Mercur(Hg)/% |
≤0.0002 |
conforms |
|
Cadmiu(Cd)/% |
≤0.0001 |
conforms |
|
Fines(through 420um)/% |
≥95.00 |
conforms |
|
Note: When a user with special requirements for fineness, negotiated by the supply and demand sides |
||
Storage: Stockpiled at the ventilated place, avoiding rain, moisture and insolation. Please handle with care to prevent bag damage, store away from toxic substances.
Packing: Net 25kg/1000kg/1200kg in Plastic woven bags with PE lining
Loading: 27MT/20FCL'; 25MT/20FCL' with pallets
Shelf Life: Two years when properly stored
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